Table 1.
Baseline characteristics of ERICO patients according to the diagnosis at discharge.
| Characteristics | Diagnosis at discharge | ||||
| Non-ST-segment elevation myocardial infarction (n = 288) | ST-segment elevation myocardial infarction (n = 208) | Unstable angina (n = 242) | Total (n = 738) | p-value | |
| Mean age (years) (±SD) | 65.3 (±13.3) | 59.2(±13.2) | 62.7(±12.5) | 62.7(±13.2) | <0.001 |
| Age strata (%) | <0.001 | ||||
| ≤45 | 15 (5.2) | 26 (12.5) | 16 (6.6) | 57 (7.7) | |
| 46-55 | 48 (16.7) | 51 (24.5) | 53(21.9) | 152 (20.6) | |
| 56-65 | 79 (27.4) | 70 (33.7) | 66 (27.3) | 215 (29.1) | |
| 66-75 | 70(24.3) | 34 (16.3) | 60 (24.8) | 164 (22.2) | |
| >75 | 76 (26.4) | 27 (13.0) | 47 (19.4) | 150 (20.3) | |
| Gender (%) | 0.054 | ||||
| Male | 167(58.0) | 135 (64.9) | 130 (53.7) | 432 (58.5) | |
| Female | 121 (42.0) | 73 (35.1) | 112 (46.3) | 306 (41.5) | |
| Race (%) | 0.004 | ||||
| White | 207 (71.9) | 151 (72.6) | 149 (61.6) | 507 (68.7) | |
| Mixed | 55 (19.1) | 51 (24.5) | 77 (31.8) | 183 (24.8) | |
| Black | 22 (7.6) | 5 (2.4) | 15 (6.2) | 42 (5.7) | |
| Asiatic | 4 (1.4) | 1 (0.5) | 1 (0.4) | 6 (0.8) | |
| Years of Education (%) | 0.44 | ||||
| Illiterate | 41(14.3) | 24 (11.7) | 41(16.9) | 106 (14.4) | |
| 1-7 | 186 (64.8) | 129 (62.6) | 148 (61.20) | 463(63.0) | |
| >8 | 60 (20.9) | 53 (25.7) | 53 (21.9) | 166 (22.6) | |
| Marital status (%) | 0.01 | ||||
| Single | 31 (10.8) | 37 (17.9) | 36 (14.9) | 31 (14.2) | |
| Married | 173 (60.5) | 138 (66.7) | 139 (57.7) | 450 (61.3) | |
| Divorced | 26 (9.1) | 13 (6.3) | 21 (8.7) | 60 (8.2) | |
| Widowed | 56 (19.6) | 19 (9.2) | 45 (18.7) | 120 (16.3) | |
| Prior CHD (%) | 64 (24.9) | 30 (15.8) | 98 (46.7) | 192 (29.2) | <0.001 |
| Cardiovascular risk factors*) (%) | |||||
| Family history of premature CHD **) | 68 (26.1) | 51 (27.6) | 69 (30.8) | 188 (28.1) | 0.50 |
| Hypertension *) | 219 (77.4) | 123 (61.5) | 206 (86.6) | 548 (76.0) | <0.001 |
| Diabetes mellitus *) | 131 (46.1) | 57 (28.6) | 96 (41.4) | 284 (39.7) | <0.001 |
| Smoking status *) | 0.006 | ||||
| Never | 91 (34.3) | 53 (26.8) | 80 (36.5) | 224 (32.8) | |
| Past | 93 (35.1) | 69 (34.8) | 91 (41.6) | 253 (37.1) | |
| Current | 81(30.6) | 76 (38.4) | 48 (21.9) | 205 (30.1) | |
| Dyslipidemia *) | 141(55.3) | 81(48.2) | 124 (62.0) | 346 (55.5) | 0.03 |
| Sedentarism (%) | 206 (75.7) | 134 (70.5) | 157 (73.0) | 497 (73.4) | 0.45 |
Some proportions might not add up to 100% due to rounding.
*
All cardiovascular risk factors were based on previous medical history.
**
Family history of premature coronary heart disease was defined as coronary heart disease in a first-degree male relative before age 55 or in a first-degree female relative before age 65.