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BACKGROUND Little information exists about the consequences of limits on prescription-drug benefits for Medicare beneficiaries. METHODS We compared the clinical and economic outcomes in 2003 among 157,275 Medicare+Choice beneficiaries whose annual drug benefits were capped at 1,000 dollars and 41,904 beneficiaries whose drug benefits were unlimited(More)
Within Medicare, the Medicare Advantage program has historically attracted better risks-healthier, lower-cost patients-than has traditional Medicare. The disproportionate enrollment of lower-cost patients and avoidance of higher-cost ones during the 1990s-known as favorable selection-resulted in Medicare's spending more per beneficiary who enrolled in(More)
Multi-resident activity recognition is among a key enabler in many context-aware applications in a smart home. However, most of prior researches ignore the potential interactions among residents in order to simplify problem complexity. On the other hand, multiple-resident activities are usually recognized using cameras or wearable sensors. However, due to(More)
Design: This was a longitudinal pre-post study: two months before and one and seven months after introduction of examination room computers. Patient questionnaires (n = 313) after primary care visits with physicians (n = 8) within an integrated delivery system. There were three patient satisfaction domains: (1) satisfaction with visit components, (2)(More)
BACKGROUND Despite substantial trial evidence that demonstrates the effectiveness of pharmacologic treatment for reducing blood pressure (BP) and cardiovascular events, many patients are nonadherent to their hypertension treatment. OBJECTIVES The purpose of this study was to examine patient adherence to hypertension medications using pharmacy data (ie,(More)
BACKGROUND Randomized trials have demonstrated the efficacy of selected beta-blockers in systolic heart failure, but the comparative effectiveness of different beta-blockers in practice is poorly understood. METHODS We compared mortality associated with different beta-blockers following hospitalization for heart failure between 2001 and 2003. Longitudinal(More)
IMPORTANCE Medicare penalizes hospitals with higher than expected readmission rates by up to 3% of annual inpatient payments. Expected rates are adjusted only for patients' age, sex, discharge diagnosis, and recent diagnoses. OBJECTIVE To assess the extent to which a comprehensive set of patient characteristics accounts for differences in hospital(More)
OBJECTIVE To evaluate the patterns of e-Health use over a four-year period and the characteristics of users. DESIGN Longitudinal, population-based study (1999-2002) of members of a prepaid integrated delivery system. Available e-Health services included ordering prescription drug refills, scheduling appointments, and asking medical questions. (More)
OBJECTIVE To compare drug costs and adherence among Medicare beneficiaries with the standard Part D coverage gap versus supplemental gap coverage in 2006. DATA SOURCES Pharmacy data from Medicare Advantage Prescription Drug (MAPD) plans. STUDY DESIGN Parallel analyses comparing beneficiaries aged 65+ with diabetes in an integrated MAPD with a gap versus(More)
BACKGROUND For patients with a chronic disease, increased cost-sharing for medications may lead to unintended consequences, including reduced use of medications essential for control of their disease. OBJECTIVE The objective of this study was to estimate the effects of small ($1-6 per 30-day supply), moderate ($7-10), and large (>$10) increases in(More)