Katherine L. Kahn — Publications
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Demographic Variation In US Outpatient Hydroxychloroquine And Ivermectin Use During The COVID-19 Pandemic
2025
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Disparities in Substance Use Disorder Telehealth Services
2025
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Trends in US Ambulatory Care Patterns During the COVID-19 Pandemic, 2019–2021
2022
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Evaluation of California's Global Payment Program: Final Report
2019
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Low-Value Proton Pump Inhibitor Prescriptions Among Older Adults at a Large Academic Health System
2019
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Associations of CAHPS Composites With Global Ratings of the Doctor Vary by Medicare Beneficiaries' Health Status
2018
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Evaluation of the Global Payment Program: Midpoint Report
2018
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Utilization of Health Care Services Among Medicare Beneficiaries Who Visit Federally Qualified Health Centers
2018
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Association Between Patient-Centered Medical Home Capabilities and Outcomes for Medicare Beneficiaries Seeking Care from Federally Qualified Health Centers
2017
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Evaluation of CMS's Federally Qualified Health Center (FQHC) Advanced Primary Care Practice (APCP) Demonstration: Final Report
2017
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Federally Qualified Health Center Clinicians And Staff Increasingly Dissatisfied With Workplace Condition
2017
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Implementation of Medical Homes in Federally Qualified Health Centers
2017
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Medical Oncologists' Experiences in Using Genomic Testing for Lung and Colorectal Cancer Care
2017
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Family Perspectives on Aggressive Cancer Care Near the End of Life
2016
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Optimizing Patients' Vital Interests Post-Discharge
2016
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Variations in Oncologist Recommendations for Chemotherapy for Stage IV Lung Cancer: What Is the Role of Performance Status?
2016
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Appropriateness of Advanced Diagnostic Imaging Ordering Before and After Implementation of Clinical Decision Support Systems
2015
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The Association of Patient Complexities with Antibiotic Ordering
2015
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Evaluation of CMS' FQHC APCP Demonstration: Final First Annual Report
2015
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Evaluation of CMS's Federally Qualified Health Center (FQHC) Advanced Primary Care Practice (APCP) Demonstration: Final Second Annual Report
2015
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Interdisciplinary Priorities for Dissemination, Implementation, and Improvement Science: Frameworks, Mechanics, and Measures
2015
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Is Self-Referral Associated with Higher Quality Care?
2015
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Oncologists' Experiences with Drug Shortages
2015
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Post-traumatic Stress Symptoms in Cancer Survivors: Relationship to the Impact of Cancer Scale and Other Associated Risk Factors
2015
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Radiologists' Perceptions of Computerized Decision Support: A Focus Group Study from the Medicare Imaging Demonstration Project
2015
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Strategies to Build Trust and Recruit African American and Latino Community Residents for Health Research: A Cohort Study
2015
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Tumor Board Participation Among Physicians Caring for Patients with Lung or Colorectal Cancer
2015
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Approach for Conducting the Longitudinal Program Evaluation of the U.S. Department of Health and Human Services National Action Plan to Prevent Healthcare Associated Infections: Roadmap to Elimination
2014
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Discussions About Clinical Trials Among Patients with Newly Diagnosed Lung and Colorectal Cancer
2014
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The Effect of Surgical Care Improvement Project (SCIP) Compliance on Surgical Site Infections (SSI)
2014
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An Examination of Longitudinal CAUTI, SSI, and CDI Rates from Key HHS Data Systems
2014
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Introduction: Taking National Action to Prevent and Eliminate Healthcare-Associated Infections
2014
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Lessons Learned and Future Directions: The National Response for Preventing Healthcare-Associated Infections
2014
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Medicare Imaging Demonstration Final Evaluation: Report to Congress
2014
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The National Response for Preventing Healthcare-Associated Infections: Infrastructure Development
2014
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The National Response for Preventing Healthcare-Associated Infections: Data and Monitoring
2014
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The National Response for Preventing Healthcare-Associated Infections: Research and Adoption of Prevention Practices
2014
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The National Response for Preventing Healthcare-Associated Infections: System Capacity and Sustainability for Improvement
2014
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Physician-reported Barriers to Referring Cancer Patients to Specialists: Prevalence, Factors, and Association with Career Satisfaction
2014
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Physicians' Propensity to Discuss Prognosis Is Associated with Patients' Awareness of Prognosis for Metastatic Cancers
2014
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Regional Interventions to Eliminate Healthcare-Associated Infections
2014
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Chemotherapy Use and Patient Treatment Preferences in Advanced Colorectal Cancer: A Prospective Cohort Study
2013
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Enrollment of Patients with Lung and Colorectal Cancers Onto Clinical Trials
2013
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Representativeness of Participants in the Cancer Care Outcomes Research and Surveillance Consortium Relative to the Surveillance, Epidemiology, and End Results Program
2013
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Use of Imaging and Biomarker Tests for Posttreatment Care of Early-Stage Breast Cancer Survivors
2013
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Validity of Race, Ethnicity, and National Origin in Population-Based Cancer Registries and Rapid Case Ascertainment Enhanced with a Spanish Surname List
2013
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Burdens on Research Imposed by Institutional Review Boards: The State of the Evidence and Its Implications for Regulatory Reform
2012
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Comparative Effectiveness of Oxaliplatin Vs Non-Oxaliplatin-Containing Adjuvant Chemotherapy for Stage III Colon Cancer
2012
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Effect of Adjuvant Chemotherapy on Survival of Patients with Stage III Colon Cancer Diagnosed After Age 75 Years
2012
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Ordering of CT by Emergency Department Provider Type: Analysis of a Nationally Representative Sample
2012
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Prevalence, Predictors, and Patient Outcomes Associated with Physician Co-Management: Findings from the Los Angeles Women's Health Study
2012
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Bridging the Gap Between Basic Science and Clinical Practice: A Role for Community Clinicians
2011
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Bridging the Gap Between Basic Science and Clinical Practice: The Role of Organizations in Addressing Clinician Barriers
2011
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Objective Burden, Resources, and Other Stressors Among Informal Cancer Caregivers: A Hidden Quality Issue?
2011
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Physician and Practice Characteristics Influencing Tumor Board Attendance: Results from the Provider Survey of the Los Angeles Women's Health Study
2011
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Racial Variation in the Cancer Caregiving Experience: A Multisite Study of Colorectal and Lung Cancer Caregivers
2011
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Reengineering the Clinical Research Enterprise to Involve More Community Clinicians
2011
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Adjuvant Chemotherapy Use and Adverse Events Among Older Patients with Stage III Colon Cancer
2010
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Adverse Events Among the Elderly Receiving Chemotherapy for Advanced Non-Small-Cell Lung Cancer
2010
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Improving Breast Cancer Quality of Care with the Use of Patient Navigators
2010
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Patients' Experiences with Care for Lung Cancer and Colorectal Cancer: Findings from the Cancer Care Outcomes Research and Surveillance Consortium
2010
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Physician Factors Associated with Discussions About End-of-Life Care
2010
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Quality of Cancer Care Among Foreign-Born and US-born Patients with Lung or Colorectal Cancer
2010
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Quality of Care for Breast Cancer for Uninsured Women in California Under the Breast and Cervical Cancer Prevention Treatment Act
2010
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The Quality of Care Provided to Hospitalized Patients at the End of Life
2010
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Use of Interpreters By Physicians Treating Limited English Proficient Women with Breast Cancer: Results from the Provider Survey of the Los Angeles Women's Health Study
2010
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Variations in Surgeon Treatment Recommendations for Lobectomy in Early-Stage Non-Small-Cell Lung Cancer by Patient Age and Comorbidity
2010
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Discussions with Physicians About Hospice Among Patients with Metastatic Lung Cancer
2009
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The Role of Primary Care Physicians in Cancer Care
2009
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The Structural Landscape of the Health Care System for Breast Cancer Care: Results from the Los Angeles Women's Health Study
2009
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Surgeons' Volume of Colorectal Cancer Procedures and Collaborative Decision-Making About Adjuvant Therapies
2009
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Variation in Physician-Patient Discussion of Breast Reconstruction
2009
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Adjuvant Chemotherapy for Stage III Colon Cancer: Do Physicians Agree About the Importance of Patient Age and Comorbidity?
2008
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American Society of Clinical Oncology/National Comprehensive Cancer Network Quality Measures
2008
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Do Variations in Provider Discussions Explain Socioeconomic Disparities in Postmastectomy Breast Reconstruction?
2008
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Financial Incentives for Quality in Breast Cancer Care
2008
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Impact of Physician-Patient Discussions on Patient Satisfaction
2008
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Moving Research from Bench to Bedside to Community: There Is Still More to Do
2008
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Symptom Management After Breast Cancer Treatment: Is It Influenced By Patient Characteristics?
2008
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Symptoms After Breast Cancer Treatment: Are They Influenced by Patient Characteristics?
2008
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Validating the Link Between Good Physician Process of Care and Better Health-Related Quality of Life for Patients
2008
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Assessment of American College of Rheumatology Quality Criteria for Rheumatoid Arthritis in a Pre-Quality Criteria Patient Cohort
2007
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The Complexity of Care for Patients with Rheumatoid Arthritis: Metrics for Better Understanding Chronic Disease Care
2007
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Does Ambulatory Process of Care Predict Health-Related Quality of Life Outcomes for Patients with Chronic Disease?
2007
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Does Concordance Between Data Sources Vary By Medical Organization Type?
2007
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On Referral Patterns for Patients with Breast Cancer
2007
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Patient Centered Experiences in Breast Cancer: Predicting Long-Term Adherence to Tamoxifen Use
2007
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Surviving Colorectal Cancer: Patient-Reported Symptoms 4 Years After Diagnosis
2007
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Application of Explicit Process of Care Measurement to Rheumatoid Arthritis: Moving from Evidence to Practice
2006
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Does the Concordance Between Medical Records and Patient Self-Report Vary with Patient Characteristics?
2006
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Effects of Medicare's Prospective Payment System on the Quality of Hospital Care
2006
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Measuring the Quality of Cancer Care: The National Initiative for Cancer Care Quality (NICCQ)
2006
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A Practical Method to Calibrate Self-Reported Adherence to Antiretroviral Therapy
2006
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Results of the National Initiative for Cancer Care Quality: How Can We Improve the Quality of Cancer Care in the United States?
2006
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Understanding Cancer Patients' Experience and Outcomes: Development and Pilot Study of the Cancer Care Outcomes Research and Surveillance Patient Survey
2006
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What Is the Concordance Between the Medical Record and Patient Self-Report as Data Sources for Ambulatory Care?
2006
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Dysplasia and Risk of Further Neoplastic Progression in a Regional Veterans Administration Barrett's Cohort
2005
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Imputation of SF-12 Health Scores for Respondents with Partially Missing Data
2005
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Patients' Preferences for Technical Versus Interpersonal Quality When Selecting a Primary Care Physician
2005
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Results of a Randomized Controlled Trial to Increase Colorectal Cancer Screening in a Managed Care Health Plan
2005
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Telephone Reminder Calls Increased Response Rates to Mailed Study Consent Forms
2005
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Trust in One's Physician: The Role of Ethnic Match, Autonomy, Acculturation, and Religiosity Among Japanese and Japanese Americans
2005
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Case Finding for Population-Based Studies of Rheumatoid Arthritis: Comparison of Patient Self-Reported ACR Criteria-Based Algorithms to Physician-Implicit Review for Diagnosis of Rheumatoid Arthritis
2004
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Developing a System to Assess the Quality of Cancer Care: ASCO's National Initiative on Cancer Care Quality
2004
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Development and Evaluation of a Patient Self-Report Case-Finding Method for Rheumatoid Arthritis
2004
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Differences in Quality of Care for Hospitalized Elderly Men and Women
2004
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Does Inappropriate Use Explain Geographic Variations in the Use of Health Care Services?
2004
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Hospital Characteristics and Quality of Care
2004
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Primary Care Provider Perceptions of Barriers to and Facilitators of Colorectal Cancer Screening in a Managed Care Setting
2004
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Understanding Cancer Treatment and Outcomes: The Cancer Care Outcomes Research and Surveillance Consortium (CanCORS)
2004
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Watching the Doctor-Watchers: How Well Do Peer Review Organization Methods Detect Hospital Care Quality Problems?
2004
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Methodological Challenges Associated with Patient Responses to Follow-Up Longitudinal Surveys Regarding Quality of Care
2003
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Acculturation of Attitudes Toward End-of-Life Care: A Cross-Cultural Survey of Japanese Americans and Japanese
2002
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The Case Identification Challenge in Measuring Quality of Cancer Care
2002
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Developing a Reliable, Valid, and Feasible Plan for Quality-of-Care Measurement for Cancer: How Should We Measure?
2002
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Evaluating Quality of Nursing Care: The Gap Between Theory and Practice
2002
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Preoperative Prevalence of Barrett's Esophagus in Esophageal Adenocarcinoma: A Systematic Review
2002
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Quality of Breast Cancer Care: What Do We Know?
2002
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Utilization of Health Care Resources for Low-Risk Patients with Acute, Nonvariceal Upper GI Hemorrhage: An Historical Cohort Study
2002
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Validity of Cancer Registry Data for Measuring Quality of Breast Cancer Care
2002
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Arm Edema in Breast Cancer Patients
2001
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Structured Implicit Review: A New Method for Monitoring Nursing Care Quality
2001
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Development of a Brief Scale to Measure Acculturation Among Japanese Americans
2000
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Lack of Progress in Labor as a Reason for Cesarean
2000
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Cesarean Deliveries for Medicaid Patients: A Comparison in Public and Private Hospitals in Los Angeles County
1999
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Does What Nurses Do Affect Clinical Outcomes for Hospitalized Patients? A Review of the Literature
1999
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Proposed Agenda for the Measurement of Quality-of-Life Outcomes in Oncology Practice
1999
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Is Use of Mechanical Ventilation a Reasonable Proxy Indicator for Coma Among Medicare Patients Hospitalized for Acute Stroke?
1998
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Changes Over Time in the Use of Do Not Resuscitate Orders and the Outcomes of Patients Receiving Them
1997
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Epidemiology of Sepsis Syndrome in 8 Academic Medical Centers
1997
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An Implicit Review Method for Measuring the Quality of In-hospital Nursing Care of Elderly Cerebrovascular Accident Patients
1997
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An Implicit Review Method for Measuring the Quality of In-hospital Nursing Care of Elderly Congestive Heart Failure Patients
1997
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Management Strategies for Helicobacter Pylori-Seropositive Patients with Dyspepsia: Clinical and Economic Consequences
1997
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Racial Differences in the Utilization of Inpatient Rehabilitation Services Among Elderly Stroke Patients
1997
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What Is the Role of Timing in the Surgical and Rehabilitative Care of Community-Dwelling Older Persons with Acute Hip Fracture?
1997
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Cesarean Childbirth and Psychosocial Outcomes: A Meta-Analysis
1996
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Effects of Medicare's Prospective Payment System on Service Use by Depressed Elderly Inpatients
1996
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Information Content and Clarity of Radiologists' Reports for Chest Radiography
1996
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Rehabilitation After Hip Fracture--Equal Opportunity for All?
1996
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The Validity of a Nursing Assessment and Monitoring of Signs and Symptoms Scale in ICU and Non-Icu Patients
1996
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Above All 'Do No Harm': How Shall We Avoid Errors in Medicine?
1995
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Epidemiology of Do-Not-Resuscitate Orders: Disparity By Age, Diagnosis, Gender, Race, and Functional Impairment
1995
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A Meta-Analysis of Infant Outcomes After Breech Delivery
1995
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Outcomes of Patients with Do-Not-Resuscitate Orders: Toward an Understanding of What Do-Not-Resuscitate Orders Mean and How They Affect Patients
1995
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Quality of Care for Depressed Elderly Patients Hospitalized in the Specialty Psychiatric Units or General Medical Wards
1995
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Reductions in Cost and Cesarean Rate by Routine Use of External Cephalic Version: A Decision Analysis
1995
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Effect of Epidural Analgesia for Labor on the Cesarean Delivery Rate
1994
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Health care for black and poor hospitalized Medicare patients
1994
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Quality of Antidepressant Medications Prescribed at Discharge to Depressed Elderly Patients in General Medical Hospitals Before and After Prospective Payment System
1994
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Quality of Care for Depressed Elderly Pre-Post Prospective Payment System: Differences in Response Across Treatment Settings
1994
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Analysis of Quality of Care for Patients Who are Black and Poor in Rural and Urban Settings
1993
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Quality of Care for Hospitalized Depressed Elderly Patients Before and After Implementation of the Medicare Prospective Payment System
1993
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Assessing Clinical Instability at Discharge: The Clinician's Responsibility
1992
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Assessing Quality of Care for Hospitalized Medicare Patients with Hip Fracture Using Coded Diagnoses from the Medicare Provider Analysis and Review Files
1992
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Assigning Appropriateness Ratings for Diagnostic Upper Gastrointestinal Endoscopy Using Two Different Approaches
1992
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The Effects of the DRG-Based Prospective Payment System on Quality of Care for Hospitalized Medicare Patients: Final Report
1992
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HMO Vs Fee-for-Service Care of Older Persons with Acute Myocardial Infarction
1992
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The Effect of Comorbidity on Appropriateness Ratings for Two Gastrointestinal Procedures
1991
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The Effects of the DRG-Based Prospective Payment System on Quality of Care for Hospitalized Medicare Patients: Executive Summary
1991
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Explaining Variations in Hospital Death Rates: Randomness, Severity of Illness, Quality of Care
1991
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Measuring the Clinical Appropriateness of the Use of a Procedure: Can We Do It?
1991
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Physician Ratings of Appropriate Indications for Six Medical and Surgical Procedures
1991
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Structured Implicit Review of the Medical Record: A Method for Measuring the Quality of Inhospital Medical Care and a Summary of Quality Changes Following Implementation of the Medicare Prospective Payment System
1991
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Changes in Quality of Care for Five Diseases Measured By Implicit Review, 1981 to 1986
1990
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Changes in Sickness at Admission Following the Introduction of the Prospective Payment System
1990
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Comparing Outcomes of Care Before and After Implementation of the DRG-based Prospective Payment System
1990
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The Effects of the DRG-based Prospective Payment System on Quality of Care for Hospitalized Medicare Patients: An Introduction to the Series
1990
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Explaining Variations in Hospital Death Rates: Randomness, Severity of Illness, Quality of Care
1990
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Explaining Variations in Hospital Death Rates: Randomness, Severity of Illness, Quality of Care
1990
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Guidelines for Structured Implicit Review of the Quality of Hospital Care for Diverse Medical and Surgical Conditions
1990
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Measuring Quality of Care with Explicit Process Criteria Before and After Implementation of the DRG-based Prospective Payment System
1990
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Prospective Payment System and Impairment at Discharge: The 'Quicker-And-Sicker' Story Revisited
1990
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Quality of Care Before and After Implementation of the DRG-based Prospective Payment System: A Summary of Effects
1990
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A Summary of the Effects of DRG-Based Prospective Payment System on Quality of Care for Hospitalized Medicare Patients
1990
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The Appropriateness of Use of Selected Medical and Surgical Procedures and Its Relationship to Geographic Variations in Their Use
1989
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Structured Implicit Review for Physician Implicit Measurement of Quality of Care: Development of the Form and Guidelines for Its Use
1989
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Interpreting Hospital Mortality Data: How Can We Proceed?
1988
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Medical Record Abstraction Form and Guidelines for Assessing Quality of Care for Hospitalized Patients with Acute Myocardial Infarction
1988
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Medical Record Abstraction Form and Guidelines for Assessing Quality of Care for Hospitalized Patients with Cerebrovascular Accident
1988
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Medical Record Abstraction Form and Guidelines for Assessing Quality of Care for Hospitalized Patients with Congestive Heart Failure
1988
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Medical Record Abstraction Form and Guidelines for Assessing Quality of Care for Hospitalized Patients with Depression
1988
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Medical Record Abstraction Form and Guidelines for Assessing Quality of Care for Hospitalized Patients with Hip Fracture
1988
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Medical Record Abstraction Form and Guidelines for Assessing Quality of Care for Hospitalized Patients with Pneumonia
1988
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The Use and Misuse of Upper Gastrointestinal Endoscopy
1988
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Does Inappropriate Use Explain Geographic Variations in the Use of Health Care Services? : A Study of Three Procedures
1987
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The Efficacy of Ambulatory Cardiac Catheterization in the Hospital and Free-Standing Setting
1986
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Indications for Selected Medical and Surgical Procedures - A Literature Review and Ratings of Appropriateness: Diagnostic Upper Gastrointestinal Endoscopy
1986
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Indications for Selected Medical and Surgical Procedures - A Literature Review and Ratings of Appropriateness: Colonoscopy
1986
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Physician Ratings of Appropriate Indications for Six Medical and Surgical Procedures
1986
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Variations in the Use of Medical and Surgical Services By the Medicare Population
1986
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Variations in the Use of Medical and Surgical Services by the Medicare Population
1986
