Health Services Research
Latest posts by Health Services Research (see all)
- Determinants of Private Long-Term Care Insurance Purchase in Response to the Partnership… - Aug. 25, 2015
- Falsification Testing of Instrumental Variables Methods for Comparative Effectiveness Research - Aug. 21, 2015
- Patient Preferences for Features of Health Care Delivery Systems: A Discrete Choice Experiment - Aug. 10, 2015
- Just How Useful Are Health Rankings? - Aug. 10, 2015
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.