Table 1 Univariate clinical and demographic comparison between unstable angina, non-ST elevation and ST-elevation myocardial infarction patients
UA* | NSTEMI | STEMI | p-value† | |
|---|---|---|---|---|
Patients, n (%) | 304 (31.7) | 443 (46.2) | 212 (22.1) | |
Male, n (%) | 164 (53.9) | 280 (63.2) | 152 (71.7) | a, b, c |
Age (years) ‡ | 60.7 ± 0.4 | 63.3 ± 11.9 | 59.2 ± 12.8 | a, c |
Prior coronary artery disease, n (%) | 198 (65.1) | 239 (53.9) | 70 (33.0) | a, b, c |
Hypertension, n (%) | 258 (84.9) | 365 (82.4) | 146 (68.9) | b, c |
Current smoker, n (%) | 51 (16.8) | 89 (20.1) | 72 (34.0) | b, c |
Dyslipidemia, n (%) | 171 (56.2) | 228 (51.5) | 67 (31.6) | b, c |
Diabetes mellitus, n (%) | 104 (34.2) | 167 (37.7) | 55 (25.9) | c |
Family history of coronary artery disease, n (%) | 44 (14.5) | 84 (18.9) | 35 (16.5) | Non-significant |
Hemoglobin (g/dL) | 13.7 ± 1.6 | 13.6 ± 1.9 | 14.2 ± 1.8 | b, c |
Serum creatinine (mg/dL) | 1.2 ± 1.0 | 1.3 ± 1.3 | 1.1 ± 0.6 | a |
Troponin I (ng/mL) | 1.3 ± 6.5 | 20.6 ± 34.5 | 56.6 ± 57.9 | a, b, c |
Cholesterol (mg/dL) | 185.6 ± 48.3 | 180.5 ± 49.0 | 173.5 ± 44.0 | b |
Admission glucose (mg/dL) | 126.9 ± 60.4 | 136.7 ± 72.1 | 136.4 ± 66.7 | Non-significant |
Ejection fraction (%)† | 56.6 ± 14.0 | 51.2 ± 15.5 | 49.4 ± 12.9 | a, b |
Angiography, n (%) | 289 (95.1) | 421 (95.0) | 212 (100.0) | b, c |
Medical therapy only, n (%) | 138 (45.4) | 147 (33.2) | 23 (10.8) | a, b, c |
Percutaneous coronary intervention, n (%) | 145 (47.7) | 263 (59.4) | 177 (83.5) | a, b, c |
Surgery, n (%) | 21 (6.9) | 35 (7.9) | 14 (6.6) | Non-significant |
Length of stay (days) | 4.6 ± 8.1 | 7.3 ± 12.3 | 4.8 ± 5.8 | a, c |
Mortality, n (%) | 5 (1.6) | 22 (5.0) | 8 (3.8) | a |