Health Services Research
Latest posts by Health Services Research (see all)
- Sustained User Engagement in Health Information Technology: The Long Road from Implementation… - Oct. 07, 2016
- Transfer Frequency as a Measure of Hospital Capability and Regionalization - Oct. 07, 2016
- Misclassification Risk of Tier-Based Physician Quality Performance Systems - Oct. 07, 2016
- Can a More User-Friendly Medicare Plan Finder Improve Consumers’ Selection of Medicare Plans? - Oct. 07, 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.