Peripheral artery disease assessed by ankle-brachial index in patients with established cardiovascular disease or at least one risk factor for atherothrombosis - CAREFUL Study: A national, multi-center, cross-sectional observational study

Table 3 Evaluation of Ankle Brachial Pressure Index (ABI) in terms of diagnostic methods and selected treatments

	ABI ≤ 0.90 (n = 106)	ABI >0.90 (n = 424)
*Suggested diagnostic method*	n(%)
Conventional angiography	17(14.9)**	15(15.6)
Computed-tomography angiography	4(3.5)*	3(3.1)
Magnetic resonance angiography	23(20.2)**	10(10.4)
Ultrasonography	70(61.4)**	68(70.8)
*Recommended treatment*
Exercise	83(78.3)**	95(22.4)
Revascularization	31(29.2) **	4(0.9)
Endovascular interventions	4(3.8)*	2(0.5)
Surgery	2(1.9)	1(0.2)

*p < 0.05 and **p < 0.001; compared to ratio of treatment suggestion for patients having ABI >0.90

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