Fig. 2

Scatterplots showing critical shoulder angles (CSA). CSA and age grouped according to actual (a, c) and predicted (b, d) shoulder pathologies including cuff tear arthropathy (CTA, black circles), osteoarthritis (OA, green circles), rotator cuff tear (RCT, purple circles), impingement (IM, orange circles), and tendinitis calcarea (TC, blue circles) of the development (a, b) and external validation (c, d) cohort