Fig. 4

Testing of reliability (violet frame) and validity (red frame) for sum score and each dimension. Abbreviations: % = percentage agreement rater 1 and 2; DASH-G = German Version of Disabilities of the Arm, Shoulder and Hand; ICC = intraclass correlation coefficient; k = weighted Kappa (PABAK); MEPS-G = German Version of Mayo Elbow Performance Index; OEB = German Version of the Oxford Elbow Score; r = Spearman correlation; R2 = Rater 2; ROM = range of motion; VAS = visual analogue scale. *The correlation is significant at the 0.01 level (two-sided)