Indoor and outdoor 10-Meter Walk Test and Timed Up and Go in patients after total hip arthroplasty: a reliability and comparative study.

IF 2.1 Q1 REHABILITATION Archives of physiotherapy Pub Date : 2024-11-04 eCollection Date: 2024-01-01 DOI:10.33393/aop.2024.3267

Federico Temporiti, Chiara Casirati, Paola Adamo, Davide De Leo, Giorgia Marino, Guido Grappiolo, Roberto Gatti

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Abstract

Introduction: The 10-Meter Walk Test (10MWT) and Timed Up and Go (TUG) are valid tools for gait performance and mobility assessment after total hip arthroplasty (THA). The study aimed to assess test-retest reliability of 10MWT and TUG in indoor and outdoor environments in patients in acute phase after THA and compare their indoor vs. outdoor performance during these tests.

Methods: Thirty-five inpatients performed 10MWT and TUG in indoor and outdoor settings on the second postoperative day. An additional evaluation session was performed after 1 hour under the supervision of the same operator. Test-retest reliability was assessed using Intraclass Correlation Coefficient (ICC: 2.1) and Minimal Detectable Change (MDC₉₅), while paired t-tests were used to compare indoor vs. outdoor performance.

Results: Indoor (ICC: 0.94, MDC₉₅: 0.13 m/s) and outdoor (ICC: 0.91, MDC₉₅: 0.16 m/s) 10MWT at maximum speed and indoor (ICC: 0.92, MDC₉₅: 2.5 s) and outdoor (ICC: 0.93, MDC₉₅: 2.4 s) TUG revealed excellent reliability. Indoor (ICC: 0.86, MDC₉₅: 0.16 m/s) and outdoor (ICC: 0.89, MDC₉₅: 0.16 m/s) 10MWT at spontaneous speed revealed good reliability. Spontaneous (mean difference [MD]: 0.05 m/s, 95% confidence interval [CI₉₅]: 0.03, 0.07, p < 0.001) and maximum (MD: 0.02 m/s, CI₉₅: 0.01, 0.04, p < 0.001) 10MWT revealed higher gait speed when performed outdoors compared to indoors.

Conclusions: Indoor and outdoor 10MWT and TUG are reliable tests in acute phase after THA. Higher gait speed during outdoor 10MWT may depend on test score variability, due to MDs being lower than MDC₉₅.

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全髋关节置换术后患者的室内和室外 10 米步行测试和定时起立行走：可靠性和比较研究。

导言：10米步行测试（10MWT）和定时起立行走（TUG）是评估全髋关节置换术（THA）后步态表现和活动能力的有效工具。本研究旨在评估全髋关节置换术后急性期患者在室内和室外环境下进行 10MWT 和 TUG 测试的重复测试可靠性，并比较他们在这些测试中的室内和室外表现：35名住院患者在术后第二天分别在室内和室外进行了10MWT和TUG测试。1小时后，在同一操作者的监督下再进行一次评估。使用类内相关系数（ICC：2.1）和最小可检测变化（MDC95）评估重测可靠性，同时使用配对t检验比较室内和室外的表现：室内（ICC：0.94，MDC95：0.13 米/秒）和室外（ICC：0.91，MDC95：0.16 米/秒）10MWT 最大速度和室内（ICC：0.92，MDC95：2.5 秒）和室外（ICC：0.93，MDC95：2.4 秒）TUG 显示出极佳的可靠性。室内（ICC：0.86，MDC95：0.16 m/s）和室外（ICC：0.89，MDC95：0.16 m/s）自发速度 10MWT 显示出良好的可靠性。自发速度（平均差 [MD]：0.05 m/s，95% 置信区间 [CI95]：10MWT的自发速度（平均差异[MD]：0.05 m/s，95%置信区间[CI95]：0.03，0.07，p < 0.001）和最大速度（MD：0.02 m/s，CI95：0.01，0.04，p < 0.001）显示，在室外进行10MWT比在室内进行时步速更高：室内和室外10MWT及TUG是THA术后急性期的可靠测试。室外 10MWT 的步速较高可能取决于测试评分的变异性，因为 MD 值低于 MDC95。

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