Table 1

Baseline Characteristics of the Study Population That Underwent PCI

All PCI
(N = 281)
STEMI
(n = 40)
NSTEMI
(n = 241)
p Value
Males180 (64)28 (70)152 (63.1)0.70
Age, yrs67.3 ± 13.265.2 ± 13.767.7 ± 13.10.27
Body mass index, kg/m229.5 ± 6.229.1 ± 5.829.5 ± 6.30.92
Time from surgery, days2 (1–5)2 (1–3.5)3 (1–5)0.04
Malignancy19 (6.7)3 (6.3)16 (6.6)0.12
Left ventricular ejection fraction47.0 ± 13.540.6 ± 12.147.9 ± 13.50.02
Risk factors
 Hyperlipidemia176 (62.6)32 (80.0)144 (59.8)0.01
 Hypertension227 (80.1)33 (82.5)194 (80.5)0.70
 Cigarette smoking138 (49.1)16 (40.0)122 (50.6)0.20
 Insulin-dependent diabetes48 (17.1)5 (12.5)43 (17.8)0.60
 Non–insulin-dependent diabetes68 (24.2)10 (25.0)58 (24.1)0.90
Medical history
 Prior myocardial infarction141 (50.2)23 (57.5)118 (48.9)0.30
 Prior CABG11 (3.9)2 (5.0)9 (3.7)0.70
 Cerebrovascular disease46 (16.4)4 (10)42 (17.4)0.25
 Renal insufficiency43 (15.3)3 (7.5)40 (16.6)0.13
 Vascular surgery82 (29.2)13 (32.5)69 (28.6)0.70
 Peripheral vascular disease159 (56.5)20 (50)139 (57.6)0.40

Values are n (%), mean ± SD, or median (interquartile range).

CABG = coronary artery bypass graft; PCI = percutaneous coronary intervention; NSTEMI = non–ST-segment elevation myocardial infarction.