Health Services Research
Latest posts by Health Services Research (see all)
- Understanding the New Current Population Survey Health Insurance Questions - Apr. 20, 2015
- The Role of Outcome Forecasts in Patients’ Treatment Decisions—Evidence from a Survey… - Apr. 17, 2015
- Observing versus Predicting: Initial Patterns of Filling Predict Long-Term Adherence More… - Apr. 16, 2015
- Transformative Use of an Improved All-Payer Hospital Discharge Data Infrastructure for… - Apr. 16, 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.