**Appendix A.**


**Table A1.** Characteristics of the included studies.


**Table A1.** *Cont.*

ASES: American Shoulder and Elbow Surgeons (ASES) Society standardized shoulder assessment form; BSI: brief symptom inventory; CSQ: coping strategy questionnaire; DASH: disabilities of the arm, shoulder and hand questionnaire; DASS: depression anxiety stress scale; Disabilities of the Arm, Shoulder and Hand (DASH) questionnaire, DRAM: the Distress and Risk Assessment Method; FLEX-SF: Flexilevel Scale of Shoulder Function; HADS: hospital anxiety and depression rating scale; HAQ: health assessment questionnaire; HSCL: Hopkins Symptoms Check List; IPQ: illness perception questionnaire; MODEMS: Musculoskeletal Outcomes Data Evaluation and Management System; OSS: Oxford shoulder score; PCS: pain catastrophizing scale; PHQ: patient health questionnaire; PSEQ: pain self-efficacy questionnaire; PSQI: Pittsburgh sleep quality index; SF (−12/−36): short form (−12/−36) questionnaire; SPADI: Shoulder Pain and Disability Index, SST: simple shoulder test; TSK: Tampa scale of kinesiophobia; VAS: visual analogue scale; 4DSQ: the Four-Dimensional Symptom Questionnaire.
