目的 比较Berg平衡量表(BBS)、平衡评价系统测试(BESTest)的两个简化版本Mini- BESTest和Brief-BESTest对慢性阻塞性肺疾病(COPD)患者跌倒风险的区分效果。方法 2016年9月至2017年3月,对22例有跌倒史的COPD患者和年龄与之匹配无跌倒史的66例COPD患者,采用BBS、Mini-BESTest和Brief-BESTest进行评定,进行配对Logistic回归、对数似然估计,计算数据分布的偏态系数。结果 BBS、Mini-BESTest和Brief-BESTest评分均有区分价值(OR<0.252, P<0.01);Brief-BESTest最大似然数最低(5.372),其次为Mini-BESTest (12.918)和BBS (17.644); Brief-BESTest和Mini-BESTest无天花板效应,BBS有天花板效应。结论 BBS、Mini-BESTest和Brief-BESTest均能预测COPD患者跌倒风险,Brief-BESTest预测能力最高;BBS在COPD患者中有天花板效应,Brief-BESTest和Mini-BESTest无天花板效应。
Objective To compare the differentiating effect of Berg Balance Scale (BBS), Mini-Balance Evaluation Systems Test (Mini-BESTest) and Brief-BESTest on the risk of falls in chronic obstructive pulmonary disease (COPD) patients. Methods From September, 2016 to March, 2017, 22 COPD patients with history of falls and other age-matched 66 COPD patients without history of falls were assessed with BBS, Mini-BESTest and Brief-BESTest. The data were compared with paired Logistic regression, Log-likelihood estimate, and the skewness coefficient were calculated. Results BBS, Mini-BESTest and Brief-BESTest all were valuable for differentiating the risk of falls in COPD patients. Log-likelihood estimate value was the least in Brif-BESTest (5.372), followed with Mini-BESTest (12.918) and BBS (17.644). There was not a ceiling effect in Brief-BESTest and Mini-BESTest, but there was in BBS. Conclusion All the BBS, Mini-BESTest and Brief-BESTest can predict the risk of falls in patients with COPD, and Brief-BESTest is the most predictive. There is a ceiling effect in BBS for COPD patients, but not in Brief-BESTest and Mini-BESTest.
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