Table 3.

Multivariable logistic regressions for preoperative risk factors for MI within 90 days of surgery

	Model 1		Model 2		Model 3		Model 4
Variable	OR (95% CI)	p-value	OR (95% CI)	p-value	OR (95% CI)	p-value	OR (95% CI)	p-value
Age		< 0.001		< 0.001		< 0.001		< 0.001
< 50	NA		NA		NA		NA
50–60	0.13 (0.02–1.0)	0.05	0.12 (0.02–0.90)	0.04	0.13 (0.02–1.0)	0.05	0.14 (0.02–1.1)	0.06
61–65	0.14 (0.02–1.1)	0.06	0.13 (0.02–1.0)	0.05	0.14 (0.02–1.0)	0.06	0.14 (0.02–1.1)	0.06
66–70	1	Ref	1	Ref	1	Ref	1	Ref
71–75	0.78 (0.31–2.0)	0.6	0.81 (0.32–2.0)	0.6	0.81 (0.32–2.0)	0.6	0.78 (0.31–1.9)	0.6
76–80	1.2 (0.51–2.9)	0.7	1.3 (0.56–3.14)	0.5	1.3 (0.57–3.2)	0.5	1.2 (0.52–2.9)	0.6
81–85	2.2 (0.89–5.4)	0.09	2.5 (1.0–6.0)	0.05	2.5 (1.0–6.2)	0.04	2.3 (0.9–5.5)	0.07
> 85	5.0 (1.9–12.9)	0.001	5.9 (2.4–15.1)	< 0.001	6.3 (2.5–16.0)	< 0.001	5.5 (2.2–12.1)	< 0.001
Male sex	2.3 (1.3–4.3)	0.005	2.5 (1.4–4.5)	0.002	2.5 (1.4–4.5)	0.002	2.3 (1.3–4.1)	0.006
Diabetes		0.003		0.002		0.006		0.006
Insulin-dependent	4.4 (1.7–11.5)	0.002	5.0 (1.9–12.9)	0.001	3.9 (1.5–10.2)	0.006	3.9 (1.5–10.1)	0.006
Non-Insulin-dependent	0.42 (0.10–1.7)	0.2	0.47 (0.11–1.9)	0.3	0.38 (0.09–1.6)	0.2	0.36 (0.09–1.5)	0.2
Cardiovascular disease	3.0 (1.7–5.4)	< 0.001	–	–	–	–	2.7 (1.4–4.9)	0.001
Anemiaa	1.2 (0.62–2.2)	0.6
Hypercholesterolemia	–	–	–	–	2.2 (1.2–4.0)	0.01	1.8 (0.99–3.4)	0.06
Anticoagulant treatmentb	–	–	1.7 (0.73–3.7)	0.2	–	–	–	–

For footnotes, see Table 2.