Fig. 1From: Comparative risk of infections between JAK inhibitors versus TNF inhibitors among patients with rheumatoid arthritis: a cohort studyStudy cohort selection process. HIV, human immunodeficiency virus; ICD, International Classification of Diseases Tenth Revision; JAKi, JAK inhibitor; KNHIS, Korea National Health Insurance Service; PSS, propensity score fine stratification; RA, rheumatoid arthritisBack to article page