Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Gazi University, Çankaya/Ankara, Turkey.
Department of Neurobiology, Harvard Medical School, Boston, MA, USA.
Physiother Theory Pract. 2023 Nov 2;39(11):2399-2406. doi: 10.1080/09593985.2022.2071784. Epub 2022 May 5.
The Patient-Specific Functional Scale (PSFS) is among the most used measures to evaluate physical function. The PSFS has not been translated into Turkish for patients with low back pain to date. The purpose of the present study was to translate and cross-culturally adapt the PSFS into Turkish (PSFS-T) and to its reliability and validity in patients with low back pain.
A total of 105 participants completed the PSFS-T, Oswestry Disability Index (ODI), Roland-Morris Disability Questionnaire (RMDQ), and Visual Analogue Scale (VAS) for pain. Sixty-nine participants completed the PSFS-T questionnaire twice in 7 days. The internal consistency of the PSFS-T was assessed using Cronbach's alpha while the Intraclass Correlation Coefficient (ICC) was used to evaluate test-retest reliability. The convergent validity of PSFS-T was determined with ODI, RMDQ, and VAS questionnaires by using Pearson's correlation coefficient analysis.
The PSFS-T demonstrated acceptable internal consistency (Cronbach's α = 0.79) and good test-retest reliability (ICC = 0.75) with no floor or ceiling issues. The PSFS-T showed a moderate correlation with ODI (Rp =0 .49, p<0.001) and RMDQ (Rp =0 .46, p<0.001). A poor correlation was found between PSFS-T and VAS (Rp = 0.36, p< 0.001). Standard Error of Measurement (SEM) and Minimal Detectable Change (MDC) for the PSFS-T scores were 0.69 and 1.91 respectively.
The Turkish version of PSFS is a valid and reliable instrument for the assessment of low back patients. It may be considered a preferable scale for clinical assessment of Turkish-speaking patients with low back pain.
患者特异性功能量表（PSFS）是评估身体功能最常用的指标之一。迄今为止，还没有将 PSFS 翻译成土耳其语用于腰痛患者。本研究的目的是将 PSFS 翻译成土耳其语（PSFS-T），并评估其在腰痛患者中的信度和效度。
共有 105 名参与者完成了 PSFS-T、Oswestry 残疾指数（ODI）、Roland-Morris 残疾问卷（RMDQ）和疼痛视觉模拟量表（VAS）。69 名参与者在 7 天内两次完成 PSFS-T 问卷。PSFS-T 的内部一致性采用 Cronbach's alpha 进行评估，而组内相关系数（ICC）用于评估测试-重测信度。PSFS-T 的会聚效度通过 ODI、RMDQ 和 VAS 问卷的 Pearson 相关系数分析来确定。
PSFS-T 表现出可接受的内部一致性（Cronbach's α=0.79）和良好的测试-重测信度（ICC=0.75），没有地板或天花板问题。PSFS-T 与 ODI（Rp=0.49，p<0.001）和 RMDQ（Rp=0.46，p<0.001）呈中度相关。PSFS-T 与 VAS 之间存在较差的相关性（Rp=0.36，p<0.001）。PSFS-T 评分的测量误差标准（SEM）和最小可检测变化（MDC）分别为 0.69 和 1.91。
PSFS 的土耳其语版本是评估腰痛患者的有效和可靠工具。对于评估土耳其语腰痛患者的临床评估，它可能是一个更可取的量表。
