Department of Physical Therapy, Federal University of São Carlos, São Carlos, SP Brazil.
Department of Cardiorespiratory and Musculoskeletal Physiotherapy, Federal University of Rio de Janeiro, Rio de Janeiro, RJ, Brazil.
Braz J Phys Ther. 2023 May-Jun;27(3):100503. doi: 10.1016/j.bjpt.2023.100503. Epub 2023 Apr 25.
The Post-COVID-19 Functional Status (PCFS) scale was created to assess the functional status of patients after hospital discharge due to COVID-19.
To perform cross-cultural adaptation of the PCFS Scale and Manual into Brazilian Portuguese and evaluate its measurement properties in patients post-COVID-19.
For the cross-cultural adaptation, independent translations and back-translations were performed. This was followed by a pre-test, with analysis of the Content Validity Index (CVI), and preparation of the final version, after evaluating the measurement properties. Spearman's correlation between the PCFS and the WHO Disability Classification Scheme (WHODAS 2.0) was used for convergent validity. Weighted Kappa (wκ) was used for test-retest and interobserver reliability for PCFS scores and Kappa (κ) for PCFS items. Internal consistency was assessed using Cronbach's alpha. Only patients with post-discharge COVID-19 were evaluated through video-conferencing platforms.
The CVI was 0.75-0.83 for comprehension and 0.83-0.84 for the language of the self-administered questionnaire and the structured interview version. For measurement properties, 63 patients were evaluated, 68% male, 51.50 (12.60) years, 12.28 (7.62) days of hospitalization. For the convergent validity, a strong correlation was found (r = 0.73; p<0.01). The test-retest (wκ=0.54) and interobserver (wκ=0.43) reliability was moderate and the item-by-item analyzes ranged from fair to substantial (κ=0.25-0.66) and weak to substantial (κ=0.07-0.79). Internal consistency was excellent (0.85).
The final PCFS in Brazilian Portuguese showed adequate content validity, reliability, internal consistency, and convergent validity for the functional assessment of patients after hospital discharge due to COVID-19.
新冠病毒疾病后功能状态（PCFS）量表是为评估因 COVID-19 住院后出院患者的功能状态而创建的。
对 PCFS 量表和手册进行跨文化调适，并将其应用于巴西葡萄牙语，评估其在新冠病毒疾病后患者中的测量特性。
进行跨文化调适时，采用了独立翻译和回译。随后进行预测试，分析内容效度指数（CVI），并在评估测量特性后准备最终版本。PCFS 与世界卫生组织残疾分类方案（WHODAS 2.0）之间的 Spearman 相关系数用于评估聚合效度。PCFS 评分的重测信度和观察者间信度采用加权 Kappa（wκ），PCFS 条目采用 Kappa（κ）。内部一致性采用 Cronbach's alpha 评估。仅通过视频会议平台评估出院后的新冠病毒疾病患者。
理解方面的 CVI 为 0.75-0.83，自我管理问卷和结构化访谈版本的语言方面的 CVI 为 0.83-0.84。对于测量特性，共评估了 63 例患者，其中男性占 68%，年龄为 51.50（12.60）岁，住院天数为 12.28（7.62）天。在聚合效度方面，相关性较强（r=0.73；p<0.01）。重测信度（wκ=0.54）和观察者间信度（wκ=0.43）为中度，逐项分析的范围为适度至高度（κ=0.25-0.66）和弱至高度（κ=0.07-0.79）。内部一致性极佳（0.85）。
最终的巴西葡萄牙语 PCFS 量表在评估因 COVID-19 住院后出院患者的功能状态方面具有足够的内容效度、信度、内部一致性和聚合效度。
