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Table 3 Repeatability of average distance (95% confidence interval), metres, walked during the first and second 30MW test for TKA recipients and healthy controls

From: The six-minute walk test is an excellent predictor of functional ambulation after total knee arthroplasty

  Test 1 Test 2 ICC
TKA (n=12) 2130.7 (1542.9 to 2718.5) 2209.8 (1678.5 to 2741.1) 0.97 (0.90 to 0.99)
Controls (n=43) 3085.9 (2981.1 to 3190.7) 3138.7 (3029.7 to 3247.7) 0.96 (0.91 to 0.98)
  1. Average time between tests was 8 days.
  2. Abbreviations:
  3. 30MW = 30 minute walk; ICC = Intraclass Correlation Coefficient; N = number; TKA = Total knee arthroplasty.