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

Table 2 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

ICC intraclass correlation coefficient, SEM standard error of measurement, MDC minimal detectable change, LOA limits of agreement

ISSN: 1757-1146