Different associations of general and abdominal obesity with upper and lower extremity artery disease among a community population in China

Table 4 Various categories of BMI associated with ABI ≤ 0.9 and IABPD ≥ 15 mmHg

Variables	OR	95% CI	P value
ABI ≤ 0.9	–	–	< 0.001
< 20	2.595	1.745–3.858	< 0.001
20 to < 25	Reference	Reference	Reference
25 to < 30	0.995	0.736–1.345	0.973
≥ 30	1.618	1.087–2.410	0.018
IABPD ≥ 15 mmHg	–	–	< 0.001
< 20	0.268	0.065–1.106	0.069
20 to < 25	Reference	Reference	Reference
25 to < 30	1.357	0.944–1.950	0.099
≥ 30	3.218	2.133–4.855	< 0.001

Multiple logistic regression analysis was used to calculate the odds ratio (OR) and 95% CI of body mass index (BMI) categories (< 20, n = 925; 20 to < 25, n = 5643; 25 to < 30, n = 5203; and ≥ 30, n = 1373), associated with ankle-brachial index (ABI) ≤ 0.9, or interarm systolic blood pressure difference (IABPD) ≥ 15 mmHg respectively with adjustment for other potential confounders including age, men, smoking, drinking, hypertension, diabetes mellitus, lipid disorders, and chronic kidney disease

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