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.
Anticoagulants study: before and after PS matching scatterplot of absolute standardized differences for synthetic model covariates. After matching outlier corresponds to higher frequency of indicator ‘Condition Era Overlapping with Cohort Index: Atrial Fibrillation’ in Warfarin group.
