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