Association of body mass index with risk of acute myocardial infarction and mortality in Norwegian male and female patients with suspected stable angina pectoris: a prospective cohort study

Table 4 BMI groups ^a and risk of acute myocardial infarction and cardiovascular death in women

Model	Acute myocardial infarction				Cardiovascular death
	Events, n (%)	HR	95% CI	p-value	Events, n (%)	HR	95% CI	p-value
Univariate
Normal weight	33 (7.6)	1.00			16 (3.7)	1.00
Overweight	21 (4.6)	0.61	0.35, 1.05	0.08	13 (2.9)	0.78	0.38, 1.63	0.51
Obese	16 (6.3)	0.84	0.46, 1.53	0.57	4 (1.6)	0.43	0.14, 1.28	0.13
Multivariate adjusted ^b
Normal weight		1.00				1.00
Overweight		0.56	0.33, 0.98	0.04		0.71	0.34, 1.50	0.37
Obese		0.80	0.43, 1.47	0.46		0.38	0.21, 1.16	0.09

BMI, body mass index; CI, confidence interval; HR, hazard ratio.
^a Normal weight (BMI 18.5-24.9 kg/m²), overweight (BMI 25–29.9 kg/m²) and obese (BMI ≥ 30 kg/m²).
^b Age (continuous), current smoking (yes/no), left ventricular ejection fraction (%), pulmonary disease (yes/no), angiotensin converting enzyme-inhibitors (yes/no) and loop diuretics (yes/no).

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