Lafave Mark R, Hiemstra Laurie, Kerslake Sarah, Heard Mark, Buchko Greg
*Mount Royal University, Calgary, Alberta, Canada; and †Banff Sport Medicine, Banff, Alberta, Canada.
Clin J Sport Med. 2017 Jan;27(1):57-63. doi: 10.1097/JSM.0000000000000292.
The purpose is to provide more validity, reliability, and responsiveness testing of the anterior cruciate ligament-quality of life instrument (ACL-QOL), particularly in light of consensus-based standards for the selection of health status measurement instruments (COSMIN) guidelines.
Prospective case series.
An orthopedic surgical practice for consultation.
A convenience sample of 579 ACL-deficient patients.
Anterior cruciate ligament reconstructive surgery.
Patients completed the ACL-QOL at initial visit and underwent reconstructive surgery. Patients were followed at 6, 12, and 24 months using the ACL-QOL to determine its validity and responsiveness. Cronbach's alpha was used to determine the unidimensionality of the ACL-QOL. A subset of patients took the ACL-QOL twice in a test-retest reliability analysis (intraclass correlation coefficient or ICC 2,k). Another subset of 24-month postsurgical patients measured the success of their surgery using a 7-point global rating scale of improvement as an anchor-based method of responsiveness.
Cronbach's alpha coefficients = 0.93, 0.95, 0.96, and 0.98 at 6, 12, and 24 months, respectively. Intraclass correlation coefficient = 0.60, SEM = 6.16, and confidence interval of 12.1 (CI 95%). Responsiveness was measured by comparing the 4 serial time periods. Patients improved significantly at each time period (P < 0.05, ETA squared 0.61). A 24-month ACL-QOL was significantly correlated (P > 0.05) to being "significantly better" or "somewhat better."
The results of this study added more validity, reliability, and responsiveness for the ACL-QOL. The ACL-QOL has completed 8 of 9 COSMIN criteria.
旨在对前交叉韧带生活质量量表（ACL-QOL）进行更多有效性、可靠性和反应度测试，尤其是参照基于共识的健康状况测量工具选择标准（COSMIN）指南。
前瞻性病例系列研究。
一家骨科手术咨询诊所。
选取579例前交叉韧带损伤患者作为便利样本。
前交叉韧带重建手术。
患者在初次就诊时完成ACL-QOL评估并接受重建手术。在术后6个月、12个月和24个月时使用ACL-QOL对患者进行随访，以确定其有效性和反应度。采用克朗巴哈系数（Cronbach's alpha）来确定ACL-QOL的单维度性。在重测信度分析（组内相关系数或ICC 2,k）中，一部分患者两次填写ACL-QOL。另一组术后24个月的患者使用7分整体改善评分量表作为基于锚定的反应度测量方法，评估手术的成功程度。
术后6个月、12个月和24个月时，克朗巴哈系数分别为0.93、0.95、0.96和0.98。组内相关系数为0.60，标准误为6.16，95%置信区间为12.1。通过比较4个连续时间段来测量反应度。患者在每个时间段均有显著改善（P<0.05，偏eta平方为0.61）。24个月时的ACL-QOL与“明显改善”或“有所改善”显著相关（P>0.05）。
本研究结果为ACL-QOL增加了更多有效性、可靠性和反应度。ACL-QOL已完成9项COSMIN标准中的8项。
