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BMC Musculoskeletal Disorders

Table 3 Between-session comparisons and associations

From: Test-retest reliability and sensitivity of the 20-meter walk test among patients with knee osteoarthritis

	Median difference		95% CI of the	Spearman correlation
			Median*	(95% CI)
Comparison	(sec)	p value	(sec)
Session 1 – Session2	0.53	< 0.01	0.15, 0.91	0.88 (0.67, 0.96)
Session 1 – Session 3	0.31	0.22	−0.41, 0.71	0.78 (0.45, 0.92)
Session 1 – Session 4	0.12	0.28	−0.76, 1.33	0.78 (0.45, 0.92)
Session 2 – Session 3	−0.14	0.07	−1.13, 0.07	0.95 (0.85, 0.98)
Session 2 – Session 4	−0.04	0.19	−1.59, 0.15	0.94 (0.83, 0.98)

Note. P values are based on Wilcoxon signed-rank tests. 95% CI = 95% confidence interval. *Based on bootstrapping sample.

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