[Abstract] Reliability of and Minimal Detectable Changes in Gait Performance Tests in Patients With Chronic Hemiplegic Stroke

Abstract

Purpose: This study aimed to determine the inter- and intra-rater reliability of and minimal detectable changes (MDCs) at the 95% confidence interval in gait performance tests in patients with chronic hemiplegic stroke who can walk independently.

Materials and Methods: Thirty patients with chronic hemiplegic stroke (24 men, 6 women, mean age 62.5 ± 11.6 years) were enrolled. Physical therapists (mean clinical experience: 9.1 ± 9.3 years) performed the timed up and go test (TUG), 10-m walk test (10MWT), and 6-min walk test (6MWT) 1 day apart. Reliability was evaluated using the intraclass correlation coefficient (ICC) and Bland–Altman analysis.

Results: The ICC was ≥0.9 for all tests, and no systematic bias was found. MDC at the 95% confidence interval was 1.9 s for the TUG, 0.16 m/s for the 10MWT, and 28.4 m for the 6MWT.

Discussion: We demonstrated excellent intra- and inter-rater reliability of all tests. These results suggest that gait performance tests are reliable.

Conclusion: These commonly used gait performance tests demonstrated high reliability and can be recommended to evaluate clinically meaningful improvements in patients with chronic hemiplegic stroke who can walk independently.

via Reliability of and Minimal Detectable Changes in Gait Performance Tests in Patients With Chronic Hemiplegic Stroke – Jun Hayakawa, Mitsuhiro Ochi, Yudai Yano, Ryutaro Matsugaki, Yuto Ogata, Takeshi Murakami, Satoshi Kuhara, Hideaki Itoh, Kenji Hachisuka, Satoru Saeki, 2020

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