Table II.

Univariate analysis of predictors of perioperative MI (pre, intra and postoperative).

	OR (95% CI)	P value
Baseline Characteristics
Age*	1.04 (1.02–1.07)	<.001
Sex (male)	0.64 (0.42–0.98)	.042
Race (non black)†	0.73 (0.44–1.20)	<.001
ASA (>=4)	2.03 (1.33–3.10)	<.001
Decreased functional status‡	1.67 (0.95–2.94)	.075
Tobacco (within 1 year)	0.51 (0.33–0.79)	<.002
Diabetes	1.69 (1.11–2.57)	.014
Hypertension	1.47 (0.78–2.78)	.237
Coronary artery disease	2.25 (1.45–3.51)	<.001
Congestive Heart Failure	3.11 (1.10–8.79)	.032
Chronic lung disease	1.20 (0.75–1.93)	.447
Dialysis	1.74 (0.75–4.05)	.199
Peripheral vascular disease	1.64 (0.95–2.83)	.076
Beta blocker§	1.89 (1.18–3.02)	.008
Preoperative Transfusion	2.16 (0.93–5.06)	.075
Preoperative Hematocrit[]	0.94 (0.91–0.97)	<.001
Surgical Priority (Urgent or emergent cases)	2.30 (1.51–3.50)	<.001
Intraoperative Factors
Anesthesia Type (General)	.77 (.37–1.61)	.491
Intraoperative Vasopressors	1.25 (0.79–2.00)	.342
Intraoperative Blood Transfusions	2.87 (1.86–4.44)	<.001
EBL (>2L)	3.01 (1.73–5.25)	<.001
Postoperative Factors
Postoperative Transfusion	6.01 (3.94–9.18)	<.001
Higher Nadir Hematocrit||	0.86 (0.82–0.89)	<.001

^*Data missing on 3 individuals.

^†Data is coded as “unknown” in 114 individuals.

^‡Data missing in 24 individuals.

^§Data missing on 204 individuals.

^[]Data missing on 61 individuals.

^||Data missing on 181 individuals.

OR, odds ratio; ASA, American Society of Anesthesiologists; EBL, estimated blood loss.