1. Copyright © 2016 American Medical Association. All rights reserved.
From: Incidence and Determinants of Traumatic Intracranial Bleeding Among Older Veterans Receiving Warfarin for Atrial Fibrillation
JAMA Cardiol. 2016;1(1): doi: /jamacardio
Figure Legend:
Derivation of the Study CohortOf 99 552 patients initially identified through administrative data, 31 951 were included in the final sample. AF indicates atrial fibrillation; ICD-9-CM, International Classification of Diseases, Ninth Revision, Clinical Modification; and INRs, international normalized ratios.
Date of download: 1/1/2018
Copyright © 2016 American Medical Association. All rights reserved.