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Table 2 Spearman’s correlation coefficient between the transition scale, and absolute and relative change in 6MWT distance

From: Minimal important improvement thresholds for the six-minute walk test in a knee arthroplasty cohort: triangulation of anchor- and distribution-based methods

Change in 6MWT

Rating on transition scale

 

Baseline to 10-weeks

Baseline to 26-weeks

10-weeks to 26-weeks

Absolute Baseline to 10-weeks

0.297 (p < 0.001)

NA

NA

n = 156

Relative Baseline to 10-weeks

0.259 (p < 0.001)

NA

NA

n = 156

Absolute Baseline to 26-weeks

NA

0.259 (p < 0.001)

NA

n = 211

Relative Baseline to 26-weeks

NA

0.239 (p < 0.001)

NA

n = 211

Absolute10-weeks to 26-weeks

NA

NA

0.03 (p = 0.73)

n = 139

Relative 10-weeks to 26-weeks

NA

NA

0.054 (p = 0.526)

n = 139

  1. NA not applicable