Impact of policy reforms on hospital-at-home services: an interrupted time series analysis of Shanghai

The global rise in elderly populations and chronic disease patients has increased the demand for hospital-at-home (HaH) services, which could help reduce hospitalization costs. To assess the impact of two policies on the implementation of HaH services in Shanghai. A two-stage interrupted time series (ITS) analysis with a control group was conducted to examine changes in three areas-institutional capacity, home-based medical services, and HaH beds-using 11 indicators from 2007 to -2022 across all community health service centres and hospitals providing HaH services. After the first policy was implemented, the number of institutions providing HaH services significantly increased + + =8.200,