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Psychometric properties of the Spanish version of the Cumberland Ankle Instability Tool

机译：西班牙语版本的Cumberland踝关节不稳定性工具的心理测量特性

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Purpose: To estimate the psychometric properties of the Spanish version of the Cumberland Ankle Instability Tool (CAIT-Sv). Method: One hundred and seventy-one subjects participated. The psychometric properties tested for CAIT-Sv were internal consistency with Cronbach's alpha (n = 171) in the first measurement; test-retest reliability using the intraclass correlation coefficient (ICC2,(1)) (n = 171) in two measurements separated by one week; criterion validity by ICC2,1 between the original CAIT and CAIT-Sv in two measurements separated by two weeks for a subgroup of 54 bilingual subjects; ceiling and floor effects (n = 78 subjects with a history of at least one ankle sprain), and responsiveness using Cohen's d in a subgroup of 25 subjects with a history of at least one ankle sprain and a score <= 24 points on the CAIT-Sv and treated with a rehabilitation program during four weeks. Results: Internal consistency was excellent (Cronbach's alpha : 0.8-0.84). Test-retest reliability was high (ICC2,1: 0.95). Criterion validity was high (ICC2,1: 0.91; 95% CI: 0.84-0.94; p<0.001 for dominant ankle). There were no ceiling (9%) and floor (0%) effects. Responsiveness was moderate (Cohen's d: 0.6995; CI: 0.11-1.27). Conclusions: CAIT-Sv is a reliable instrument with high criterion validity to measure the presence and severity of chronic ankle instability (CAI) in the Spanish population.
机译：目的：评估西班牙语版本的Cumberland踝关节不稳定性工具（CAIT-Sv）的心理测量特性。方法：171名受试者参加。测试CAIT-Sv的心理特征是在第一次测量中与Cronbach's alpha（n = 171）的内部一致性。使用组内相关系数（ICC2，（1））（n = 171）进行两次间隔一周的测量以进行重测信度;对于由54名双语受试者组成的亚组，在两次CAE和CAIT-Sv之间用ICC2,1进行标准有效性检验，两次测量相隔两周。天花板和地板的影响（n = 78位至少有一个踝扭伤的受试者），以及使用Cohen d在25位受试者中至少有一个踝扭伤的历史并且CAIT得分<= 24分的反应性-Sv，并在四个星期内接受了康复计划的治疗。结果：内部一致性极好（Cronbach的alpha：0.8-0.84）。重测可靠性高（ICC2,1：0.95）。标准有效性很高（ICC2，1：0.91; 95％CI：0.84-0.94;优势踝p <0.001）。没有上限（9％）和下限（0％）的效果。反应性中等（Cohen d：0.6995; CI：0.11-1.27）。结论：CAIT-Sv是一种可靠的工具，具有很高的标准有效性，可用于测量西班牙人群中慢性踝关节不稳（CAI）的存在和严重程度。

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