Table 2.

Multivariable logistic regressions for preoperative risk factors for MI within 30 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		0.009		0.003		0.002		0.006
< 50	NA		NA		NA		NA
50–60	NA		NA		NA		NA
61–65	0.25 (0.03–2.1)	0.2	0.24 (0.03–2.0)	0.2	0.25 (0.03–2.1)	0.2	0.26 (0.03–2.2)	0.2
66–70	1	Ref	1	Ref	1	Ref	1	Ref
71–75	1.1 (0.35–3.3)	0.9	1.1 (0.36–3.4)	0.9	1.1 (0.36–3.4)	0.9	1.1 (0.35–3.3)	0.9
76–80	1.3 (0.43–4.2)	0.6	1.5 (0.47–4.5)	0.5	1.4 (0.47–4.5)	0.5	1.3 (0.43–4.2)	0.6
81–85	2.7 (0.85–8.4)	0.09	3.0 (0.94–8.3)	0.06	3.0 (0.95–9.3)	0.06	2.7 (0.85–8.5)	0.09
> 85	6.9 (2.2–21.9)	0.001	7.9 (2.5–24.7)	< 0.001	8.3 (2.6–26.3)	< 0.001	7.4 (2.3–23.5)	0.001
Male sex	1.6 (0.79–3.3)	0.2	1.8 (0.86–3.6)	0.1	1.8 (0.87–3.6)	0.1	1.6 (0.79–3.33)	0.2
Diabetes		0.04		0.03		0.07		0.07
Insulin-dependent	4.5 (1.3–15.3)	0.02	5.0 (1.5–16.7)	0.009	3.7 (1.1–12.6)	0.04	3.6 (1.1–12.4)	0.04
Non-insulin-dependent	0.69 (0.16–2.9)	0.6	1.3 (0.58–2.8)	0.6	0.59 (0.14–2.5)	0.5	0.56 (0.13–2.4)	0.4
Cardiovascular disease	2.8 (1.3–5.8)	0.006	–	–	–	–	2.4 (1.1–5.0)	0.02
Anemiaa	1.2 (0.5–2.5)	0.7
Hypercholesterolemia	–	–	–	–	2.7 (1.3–5.9)	0.01	2.3 (1.1–5.1)	0.03
Anticoagulant treatmentb	–	–	1.4 (0.50–4.2)	0.5	–	–	–	–

Number of patients included in analysis differs from the total number of patients due to missing data. NA: not available due to lack of data.

^aHb <13 g/dL for both men and women.

^bVitamin K antagonists or new oral anticoagulants (NOAC).