Cross-cultural adaptation, validation, and reliability testing of the Shoulder Pain and Disability Index in the Persian population with shoulder problems
该研究将肩部疼痛与残疾指数翻译并改编为波斯语版本，在190名肩部问题患者中验证了其信度和效度，发现该量表内部一致性高、重测信度好，且与相关量表相关性显著，适合在波斯语人群中使用。
UNLABELLED: We aimed to validate the translated and cross-culturally adapted Persian version of the Shoulder Pain and Disability Index (SPADI). The final Persian SPADI was administered to 190 patients, out of whom 83 patients returned for the retest. We administered the Persian version of the SF-36 quality-of-life inventory and the disabilities of the arm shoulder and hand (DASH) questionnaires at the first visit to assess the convergent validity. Cronbach's α was 0.94 for the total SPADI, which showed excellent internal consistency. The intraclass correlation coefficient was 0.84 for the total SPADI, which showed good reliability between the test and retest. Convergent validity was confirmed, as the Spearman correlation between total SPADI and DASH was 0.61. Moreover, there was significant correlation between the subscales of the SPADI and SF-36 scales. The Persian version of the SPADI proved to be a reliable and valid instrument to be implemented in the Persian population with shoulder disorders. LEVEL OF EVIDENCE: level II.