Fig. 1From: Association of anemia with mobility capacity in older adults: a Korean nationwide population-based cross-sectional studyFlow of study subjects. a. Subjects of the National Health Insurance Service-National Health Screening Cohort database of the Korean National Health Insurance Service (2002–2015). *Abbreviation: NSPTA, National Screening Program for Transitional Ages in Korea; KNDR, Korean National Disability Registry; ADL, Activity of daily living; TUG, Timed up and goBack to article page