Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Interrupted time‐series regression analysis of the inter‐hospital BZD prescription variation. Monthly inter‐hospital variation in new BZD prescriptions across hospitals (blue dots: BZD inter‐hospital variance) during the study period. Light green screen represents the preintervention period; Dark green screen the post. Solid red line indicates the variation trend
