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Table 2 Intra-tester reliability

From: The ankle brachial index in people with and without diabetes: intra-tester reliability

Measure ICC 95% CI Paired t-test p value SEM MDC 95%LOA
Whole group (N = 85)
 Ankle pressure 0.89 0.83 to 0.92 < 0.001 2.55 7.07 − 8.69 to 18.22
 Brachial Pressure 0.77 0.67 to 0.84 < 0.001 3.31 9.17 −12.27 to 19.12
 ABI 0.80 0.70 to 0.86 0.29 0.03 0.08 −0.14 to 0.16
Diabetes (n = 40)
 Ankle pressure 0.92 0.85 to 0.96 0.20 1.84 5.10 −15.07 to 10.12
 Brachial Pressure 0.84 0.72 to 0.91 0.26 2.51 6.96 −13.37 to 11.12
 ABI 0.78 0.62 to 0.88 0.53 0.04 0.11 −0.16 to 0.14
No diabetes (n = 45)
 Ankle pressure 0.88 0.80 to 0.93 < 0.001 2.19 6.07 −6.75 to 18.35
 Brachial Pressure 0.74 0.58 to 0.85 < 0.001 4.41 12.22 −11.31 to 11.12
 ABI 0.82 0.70 to 0.90 0.90 0.03 0.08 −0.15 to 0.15
  1. ICC intraclass correlation coefficient, SEM standard error of measurement, MDC minimal detectable change, LOA limits of agreement