Table 1.

 Baseline parameters of patients admitted for STEMI or NSTEMI

Variable	Total (n = 2320)	NSTEMI (n = 398)	STEMI (n = 1922)	p Value
Age (years)				0.001
Mean (SD)	65 (14)	68 (14)	65 (15)
Median (25th, 75th centiles)	68 (54, 77)	71 (57, 77)	67 (53, 76)
Sex (women)	628 (27%)	107 (27%)	521 (27%)	NS
BMI ⩾30	362 (17.5%)	78 (23%)	284 (16.5%)	0.006
Risk factors:
Diabetes mellitus	487 (21%)	91 (23%)	396 (21%)	NS
Past smoking	579 (25%)	119 (30%)	460 (24%)	0.013
Current smoking	754 (33%)	94 (24%)	660 (34%)	0.001
Hyperlipidaemia	944 (41%)	187 (47.5%)	757 (40%)	0.005
Hypertension	1076 (46%)	219 (55%)	857 (45%)	0.001
History
Previous MI	411 (18%)	111(28%)	300 (16%)	0.001
CHF	149 (6%)	38 (9.5%)	111 (6%)	0.005
Stroke	111 (5%)	27 (7%)	84 (4%)	0.041
CABG	98 (4%)	41 (10%)	57 (3%)	0.001
PCI	216 (9%)	63 (16%)	153 (8%)	0.001
PVD	215 (9%)	49 (12%)	166 (9%)	0.022
Renal insufficiency	108 (5%)	24 (6%)	84 (4%)	NS
Current episode of MI
Time to admission (hours)	5.25 (2.75, 14.1)	6.5 (2.92, 17.1)	5.0 (2.75, 14.0)	0.026
Anterior MI	831 (36%)	0	750 (39%)
Killip class on admission				NS
I	1802 (78%)	312 (78%)	1490 (78%)
II	321 (14%)	54 (14%)	267 (14%)
III	131 (6%)	25 (6%)	106 (5.5%)
IV	62 (3%)	7 (2%)	55 (3%)
Admission heart rate (beats/min)	79 (20)	81 (22)	79 (19)	0.02
Initial systolic blood pressure (mm Hg)	134 (27)	140 (27)	132 (27)	0.001

Data are mean (SD), median (25, 75 centiles), or number (%).

BMI, body mass index; CABG, coronary bypass grafting; CHF, congestive heart failure; MI, myocardial infarction; NS, not significant; NSTEMI, non-ST segment elevation myocardial infarction; PCI, percutaneous coronary intervention; PVD, peripheral vascular disease; STEMI, ST segment elevation myocardial infarction.