The document summarizes a study that examined factors associated with reductions in inpatient days by VA Home Based Primary Care (HBPC) programs. The study surveyed HBPC program directors on various factors and analyzed programs' performance on reducing inpatient admissions. It found that programs with the highest reductions in acute inpatient days were more likely to have physician-nurse practitioner collaboration, more physician home visits, and treat patients as primary care for over 50% of their time. These programs performed better by targeting patients with high inpatient days prior to HBPC.