Skip to main content

Table 4 Intra-class correlation coefficients (ICCs) and the 95% Limits of Agreement (95%LOA) for intra- and inter-rater reliability of the measurement of the Toe Brachial Index

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

0.72 (0.50 to 0.86)

(-0.24 to 0.32)

B

0.73 (0.52 to 0.86)

(-0.22 to 0.30)

C

0.80 (0.63 to 0.90)

(-0.19 to 0.23)

Average

0.75 (0.55 to 0.87)

(-0.22 to 0.28)

 

Inter-rater reliability

 

ICC2,3 (95% CI)

95% LOA (mmHg)

Session 1

0.77 (0.62 to 0.87)*

(-0.21 to 0.22)

Session 2

0.81 (0.68 to 0.90)*

(-0.19 to 0.27)

  1. Note: + = z-Transformed data; * = statistically significant at p < 0.01; 95%CI = 95% confidence intervals; ICC3,1 = Intra-class coefficient, type 3,1; ICC2,3 = Intra-class coefficient, type 2,3.