Andrew M. Ryan

Methods for Evaluating Changes in Health Care Policy

Justin B. Dimick, Andrew M. Ryan · JAMA · 2014 · 1.2K citations

Medicine, Otolaryngology, Surgery +6

Self-Reported Discrimination and Mental Health Status Among African Descendants, Mexican Americans, and Other Latinos in the New Hampshire REACH 2010 Initiative: The Added Dimension of Immigration

Gilbert C. Gee, Andrew M. Ryan, David Laflamme et al. · American Journal of Public Health · 2006 · 382 citations · Full text

Social Sciences, Population Health Sciences, Psychology +17

Association of Hospital Participation in a Quality Reporting Program With Surgical Outcomes and Expenditures for Medicare Beneficiaries

Nicholas H. Osborne, Lauren Hersch Nicholas, Andrew M. Ryan et al. · JAMA · 2015 · 320 citations

Public Affairs, Health Services Administration, Surgery +17

Why We Should Not Be Indifferent to Specification Choices for Difference‐in‐Differences

Andrew M. Ryan, James Burgess, Justin B. Dimick · Health Services Research · 2014 · 316 citations · Full text

Public Health, Health Services Administration, Causal Inference +15

Bariatric Surgery Complications Before vs After Implementation of a National Policy Restricting Coverage to Centers of Excellence

Justin B. Dimick, Lauren Hersch Nicholas, Andrew M. Ryan et al. · JAMA · 2013 · 221 citations · Full text

Medicine, Health Policy, Surgery +7