Clinimetric testing of the Persian version of the Patient-Rated Tennis Elbow Evaluation (PRTEE) and the Disabilities of the Arm, Shoulder, and Hand (DASH) questionnaires in patients with lateral elbow tendinopathy

PURPOSE: To evaluate the longitudinal validity and responsiveness of the Persian version of Patient-Rated Tennis Elbow Evaluation (PRTEE) and the Disabilities of the Arm, Shoulder, and Hand (DASH) in patients with lateral elbow tendinopathy (LET). METHODS: Sixty-four patients with LET completed the PRTEE, DASH, and Global Rating of Change Scale (GRC) at baseline and six weeks. The external and internal responsiveness, floor and ceiling effects, …