Technical University of Munich, Germany.
Arthritis Care Res (Hoboken). 2012 Nov;64(11):1770-5. doi: 10.1002/acr.21746.
To evaluate reproducibility, validity, and responsiveness of the Hip Outcome Score (HOS) in patients with end-stage hip osteoarthritis.
In a cohort of 157 consecutive patients (mean age 66 years; 79 women) undergoing total hip replacement, the HOS was tested for the following measurement properties: feasibility (percentage of evaluable questionnaires), reproducibility (intraclass correlation coefficient [ICC] and standard error of measurement [SEM]), construct validity (correlation with the Western Ontario and McMaster Universities Osteoarthritis Index [WOMAC], Oxford Hip Score [OHS], Short Form 12 health survey, and University of California, Los Angeles activity scale), internal consistency (Cronbach's alpha), factorial validity (factor analysis), floor and ceiling effects, and internal and external responsiveness at 6 months after surgery (standardized response mean and change score correlations).
Missing items occurred frequently. Five percent to 6% of the HOS activities of daily living (ADL) subscales and 20-32% of the sport subscales could not be scored. ICCs were 0.92 for both subscales. SEMs were 1.8 points (ADL subscale) and 2.3 points (sport subscale). Highest correlations were found with the OHS (r = 0.81 for ADL subscale and r = 0.58 for sport subscale) and the WOMAC physical function subscale (r = 0.83 for ADL subscale and r = 0.56 for sport subscale). Cronbach's alpha was 0.93 and 0.88 for the ADL and sport subscales, respectively. Neither unidimensionality of the subscales nor the 2-factor structure was supported by factor analysis. Both subscales showed good internal and external responsiveness.
The HOS is reproducible and responsive when assessing patients with end-stage hip osteoarthritis in whom the items are relevant. However, based on the large proportion of missing data and the findings of the factor analysis, we cannot recommend this questionnaire for routine use in this target group.
评估髋关节结局评分（HOS）在终末期髋骨关节炎患者中的可重复性、有效性和反应度。
在一个连续的 157 例患者队列中（平均年龄 66 岁，女性 79 例），进行全髋关节置换术，对 HOS 进行了以下测量特性测试：可行性（可评估问卷的百分比）、可重复性（组内相关系数[ICC]和测量标准误差[SEM]）、结构有效性（与西部安大略省和麦克马斯特大学骨关节炎指数[WOMAC]、牛津髋关节评分[OHS]、健康调查 12 项短表和加利福尼亚大学洛杉矶活动量表的相关性）、内部一致性（克朗巴赫α）、因子有效性（因子分析）、地板和天花板效应以及术后 6 个月的内部和外部反应度（标准化反应均值和变化得分相关性）。
经常出现缺失项。HOS 的日常生活活动（ADL）子量表的 5%至 6%和运动子量表的 20%至 32%无法评分。两个子量表的 ICC 均为 0.92。SEM 为 1.8 分（ADL 子量表）和 2.3 分（运动子量表）。与 OHS 的相关性最高（ADL 子量表 r = 0.81，运动子量表 r = 0.58）和 WOMAC 躯体功能子量表（ADL 子量表 r = 0.83，运动子量表 r = 0.56）。ADL 和运动子量表的克朗巴赫α分别为 0.93 和 0.88。因子分析不支持子量表的一维性或 2 因素结构。两个子量表均具有良好的内部和外部反应度。
在评估与项目相关的终末期髋骨关节炎患者时，HOS 具有可重复性和反应度。但是，基于大量缺失数据和因子分析的结果，我们不建议在该目标人群中常规使用该问卷。
