Health Services Research
Latest posts by Health Services Research (see all)
- Impact of State Reporting Laws on Central Line–Associated Bloodstream Infection Rates in U.S…. - Jul. 25, 2016
- Redaction of Substance Abuse Claims in Medicare Research Files Affects Spending Outcomes for… - Jul. 25, 2016
- The Reliability of Instrumental Variables in Health Care Effectiveness Research: Less Is More - Jul. 22, 2016
- Follow Your Heart: Survival Chances and Costs after Heart Attacks—An Instrumental Variable… - Jul. 22, 2016
Background Assessing the real-world comparative effectiveness of common interventions is challenged by unmeasured confounding. Objective To determine whether the mortality benefit shown for drug-eluting stents (DES) over bare metal stents (BMS) in observational studies persists after controls for/tests for confounding. Data Sources/Study Setting Retrospective observational study involving 38,019 patients, 65 years or older admitted for an index percutaneous coronary intervention receiving DES or BMS in Pennsylvania in 2004–2005 followed up for death through 3 years. Study Design Analysis was at the patient level.