Figure 1.
The flow of the study population from identification of the study cohort to status of screening tests done, to who had laboratory evidence of CKD, to who were recognized to have CKD. ICD-9/10, International Classification of Diseases, Ninth and Tenth Revision; lab, laboratory; uACR, urinary albumin-creatinine ratio; VISN 17, Veteran Integrated Service Network 17.