Table 1. Demographic and clinical characteristics including baseline blood chemistry of patients with acute non–ST-elevation myocardial infarction divided into two groups having blood leukocyte count > 11,000/µL and ≤ 11,000/µL.

Variables	All patients (N = 585)	Leukocyte count ≤ 11,000/µL (N = 397)	Leukocyte count > 11,000/µL (N = 188)	p-Value
Age (y)	61 ± 9.6	61.3 ± 9.6	60.0 ± 9.4	0.223
Male gender, N (%)	462 (79%)	306 (77%)	156 (82%)	0.102
Systolic blood pressure (mm Hg)	142.5 ± 29	143.3 ± 29	140.9 ± 28	0.383
Heart rate (beats/min)	90 ± 23.8	87 ± 23	97 ± 24	< 0.001
Prior myocardial infarction	97 (16%)	66 (17%)	31 (16%)	0.947
Risk factor profile, N (%)
Family history	148 (25%)	106 (27%)	42 (22%)	0.231
Smoker	141 (24%)	89 (22%)	52 (27%)	0.230
Hypertension	423 (72%)	287 (72%)	136 (72%)	0.990
Diabetes mellitus	220 (38%)	141 (35%)	79 (42%)	0.104
Dyslipidemia	277 (47%)	192 (48%)	85 (45%)	0.529
Lipid profile
Total cholesterol (mg/dL)	188 ± 50	190 ± 49	184 ± 50	0.313
LDL-cholesterol (mg/dL)	123 ± 42	124.3 ± 42	120 ± 42	0.420
HDL-cholesterol (mg/dL)	37.8 ± 12	38.2 ± 12	36.8 ± 11	0.235
Triglyceride (mg/dL)	142 ± 91	146 ± 93	133 ± 86	0.060
CK-MB (U/L)	25 (3–523)	23 (4–324)	32 (3–523)	< 0.001
Troponin T > 0.03 µg/L	512 (88.6)	342 (86)	170 (90)	0.142
Creatinine (mg/dL)	1.4 ± 0.9	1.38 ± 0.9	1.52 ± 1.1	0.014
Length of stay (d)	8.77 ± 7.14	8.82 ± 6.7	8.68 ± 7.8	0.501
Coronary angiography, N (%)	221 (38%)	161 (40%)	60 (32%)	0.042
PCI, N (%)	79 (13%)	54 (13%)	25 (13%)	0.262
CABG, N (%)	29 (5%)	22 (5%)	7 (3%)	0.696
Medication at enrollment, N (%)
ACE inhibitor	313 (53%)	205 (51%)	108 (57%)	0.188
Beta-blocker	373 (64%)	273 (68%)	100 (53%)	< 0.001
MACE, N (%)	52 (9%)	21 (5%)	31 (16%)	< 0.001

Abbreviations: ACE, angiotensin-converting enzyme; CABG, coronary artery bypass grafting; CK-MB, creatine kinase-MB; MACE, major adverse cardiac event; PCI, percutaneous coronary intervention.

Continuous data presented as mean ± standard deviation or median (range) and categorical variables as number and percentages.