Figure 1From: Profiling risk factors for chronic uveitis in juvenile idiopathic arthritis: a new model for EHR-based researchCohort selection process using both structured ICD-9 codes and unstructed notes annotated with text analysis. From 602 JIA patients, 42 chronic uveitis patient were selected with ICD-9 codes confirmed with mention of uveitis terms in their clinical notes. JIA patients with under 25 notes in the clinical database were excluded to prevent documentation bias.Back to article page