Comparison between oscillometric- and Doppler-ABI in elderly individuals

Figures & data

Table 1 Mean ankle brachial index (ABI) measurements and the difference between oscillometric and Doppler methods in the study subjects by selected characteristics

	n	Left				Right				Pc
		Mean ABI (SD)		Difference		Mean ABI (SD)		Difference
		Oscillo	Doppler	Pa	Pb	Oscillo	Doppler	Pa	Pb
Total	113	1.13 (0.09)	1.12 (0.14)	0.31	0.41	1.15 (0.10)	1.11 (0.14)	0.00	0.04	0.15
Sex
Women	67	1.12 (0.08)	1.10 (0.12)	>0.5	>0.5	1.14 (0.07)	1.10 (0.12)	>0.5	>0.5	>0.5
Men	46	1.14 (0.11)	`			1.15 (0.13)	1.11 (0.17)
Age at examination
−74	57	1.14 (0.10)	1.13 (0.13)	>0.5	>0.5	1.15 (0.11)	1.12 (0.15)	>0.5	>0.5	>0.5
75−	56	1.11 (0.09)	1.10 (0.15)			1.14 (0.09)	1.09 (0.14)
Smoking
No	95	1.13 (0.09)	1.13 (0.13)	0.07	0.09	1.15 (0.09)	1.12 (0.13)	0.15	0.22	0.09
Yes	18	1.12 (0.10)	1.06 (0.17)			1.13 (0.14)	1.05 (0.19)
Alcohol drinking
No	68	1.12 (0.09)	1.11 (0.14)	>0.5	>0.5	1.15 (0.10)	1.11 (0.14)	0.26	0.39	>0.5
Yes	45	1.13 (0.09)	1.12 (0.14)			1.15 (0.11)	1.09 (0.15)
CVD
No	97	1.13 (0.09)	1.12 (0.14)	0.19	0.36	1.15 (0.11)	1.11 (0.15)	0.25	0.18	>0.5
Yes	16	1.14 (0.08)	1.09 (0.13)			1.12 (0.07)	1.11 (0.11)
Diabetes mellitus
No	90	1.14 (0.08)	1.13 (0.11)	0.36	0.45	1.16 (0.08)	1.12 (0.12)	0.25	0.31	0.33
Yes	23	1.07 (0.13)	1.04 (0.20)			1.10 (0.15)	1.03 (0.19)
Hyperlipidemia
No	39	1.15 (0.07)	1.17 (0.13)	0.08	0.11	1.17 (0.09)	1.13 (0.15)	>0.5	>0.5	0.25
Yes	74	1.11 (0.10)	1.09 (0.14)			1.14 (0.10)	1.09 (0.14)
BMI (kg/m^2)
<22.5	48	1.12 (0.08)	1.10 (0.13)	0.28	0.21	1.14 (0.10)	1.09 (0.14)	>0.5	>0.5	0.30
≥22.5	65	1.13 (0.10)	1.13 (0.14)			1.15 (0.10)	1.12 (0.14)

Notes:^aP value for homogeneity of the difference over categories of the given factor in the leg-specific analysis without adjustment for examiners;

b P value for homogeneity of the difference over categories of the given factor in the leg-specific analysis with adjustment for examiners;

c P value for homogeneity of the difference over categories of the given factor in the combined analysis with adjustment for examiners.

Figure 1 Bland-Altman Plots for ankle-brachial blood pressure index (ABI).