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Table 3 Intra-class correlation coefficients (ICCs) and the 95% Limits of Agreement (95%LOA) for the intra-rater reliability of the measurement of the Toe Systolic Pressure

From: The reliability of toe systolic pressure and the toe brachial index in patients with diabetes

  Intra-rater reliability
Rater ICC3,1(95% CI) 95% LOA (mmHg)
A 0.88 (0.77 to 0.94) (-23.44 to 26.18)
B 0.83 (0.67 to 0.91) (-31.56 to 29.36)
C 0.89 (0.79 to 0.95) (-22.90 to 22.63)
Average 0.87 (0.74 to 0.93) (-25.97 to 26.06)
  Inter-rater reliability
  ICC2,3 (95% CI) 95% LOA (mmHg)
Session 1 0.88 (0.79 to 0.93) (-22.91 to 29.17)
Session 2 0.91 (0.85 to 0.95) (-21.68 to 17.42)
  1. Note: + = z-Transformed data; 95%CI = 95% confidence intervals; ICC3,1 = Intra-class coefficient, type3,1; ICC2,3 = Intra-class coefficient, type 2,3.