Fig. 2

Receiver operating characteristic curves for the QuickDASH and PSFS for ‘improved’ and ‘unchanged’ on the GROC. QuickDASH at 3-month follow-up (area under curve = 0.75). PSFS at 3-month follow-up (area under curve = 0.75). Abbreviations: GROC, global rating of change; PSFS, Patient-Specific Functional Scale; QuickDASH, shortened version of the Disabilities of the Arm, Shoulder and Hand questionnaire