使用简化中文版匹兹堡疲劳量表验证感知身体疲劳。
Validation of perceived physical fatigability using the simplified-Chinese version of the Pittsburgh Fatigability Scale.
机构信息
Geriatric Health Care Department of The Second Medical Center & National Clinical Research Center for Geriatric Diseases, Chinese PLA General Hospital, Beijing, China.
Department of Orthopedics, Peking University Shougang Hospital, Beijing, China.
出版信息
BMC Geriatr. 2021 May 26;21(1):336. doi: 10.1186/s12877-021-02275-x.
BACKGROUND
The Pittsburgh Fatigability Scale (PFS) was developed to capture fatigue and demand in a single tool, filling a gap that no validated questionnaire existed to measure perceived fatigability. Since fatigability is a more sensitive measure of a person's susceptibility to fatigue, we validated the simplified-Chinese version of the PFS among Chinese community-dwelling older adults.
METHODS
This cross-sectional study was conducted in an urban community in Beijing between November 2018 and July 2019. The PFS was translated into simplified-Chinese by the translation, retro-translation method. Internal consistency of the Physical subscale of the PFS was evaluated by Cronbach's alpha. Convergent validity and discriminant validity were evaluated against physical performance measures (i.e., Short Physical Performance Battery & Timed Up and Go Test) and daily living performance (i.e., Barthel Index & Instrumental activity of daily living).
RESULTS
Our study included 457 participants, including 182 men (39.8%) and 275 women (60.2%). The age range of the included participants was 61-96 years (mean = 84.8 years, SD = 5.8 years). The simplified-Chinese version of PFS Physical scores showed strong internal consistency (Cronbach's alpha = 0.81). Higher PFS Physical scores were associated with worse physical performance, and daily living performance (|correlation coefficient| range: 0.36-0.56, p < .001). Age- and sex-adjusted PFS Physical scores had moderate to good overall discrimination for correctly classifying people by their physical performance and daily living performance (AUCs range 0.70-0.87, p < .001).
CONCLUSIONS
The PFS simplified-Chinese version is a valid instrument to assess perceived physical fatigability in Chinese-speaking older adults with good convergent validity. Thus, the PFS, with low cost and greater feasibility, is a desired tool to measure fatigability in large population studies.
背景
匹兹堡疲劳量表（PFS）的开发旨在用单一工具捕捉疲劳和需求，填补了没有经过验证的问卷来衡量感知疲劳性的空白。由于疲劳性是衡量一个人对疲劳敏感性的更敏感指标，因此我们在中国社区居住的老年人中验证了简化中文版本的 PFS。
方法
这项横断面研究于 2018 年 11 月至 2019 年 7 月在北京的一个城市社区进行。通过翻译、回译的方法将 PFS 翻译成简化中文。通过 Cronbach's alpha 评估 PFS 身体分量表的内部一致性。通过与身体表现测试（即简易体能测试和计时起立行走测试）和日常生活表现（即巴氏指数和日常生活活动能力量表）的比较评估了收敛有效性和判别有效性。
结果
我们的研究纳入了 457 名参与者，包括 182 名男性（39.8%）和 275 名女性（60.2%）。纳入参与者的年龄范围为 61-96 岁（平均年龄=84.8 岁，标准差=5.8 岁）。简化中文版 PFS 身体得分表现出很强的内部一致性（Cronbach's alpha=0.81）。更高的 PFS 身体得分与更差的身体表现和日常生活表现相关（相关系数范围：0.36-0.56，p<0.001）。经年龄和性别调整后的 PFS 身体得分对根据身体表现和日常生活表现正确分类的人具有中等至良好的整体判别能力（AUC 范围为 0.70-0.87，p<0.001）。
结论
简化中文版 PFS 是一种评估中文老年人感知身体疲劳性的有效工具，具有良好的收敛有效性。因此，PFS 具有低成本和更高可行性，是在大规模人群研究中衡量疲劳性的理想工具。
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