Table 1.
Variables of the risk scales and MACE at 6 weeks.
| MACEa | No | Yes | Overall p |
|---|---|---|---|
| N = 270 | N = 47 | ||
| Demographic variables | |||
| Age: variable present in HEART, GRACE and TIMI | 57.6 (16.9) | 63.6 (14.0) | 0.012 |
| 65 years or over: | 0.245 | ||
| No | 182 (67.4%) | 27 (57.4%) | |
| Yes | 88 (32.6%) | 20 (42.6%) | |
| Sex: | 0.107 | ||
| Man | 177 (65.6%) | 37 (78.7%) | |
| Woman | 93 (34.4%) | 10 (21.3%) | |
| Domicile: | 0.803 | ||
| Rural | 112 (41.5%) | 21 (44.7%) | |
| Urban | 158 (58.5%) | 26 (55.3%) | |
| Education: | 0.064 | ||
| Higher Degree (Bachelor's Degree) | 41 (15.2%) | 13 (27.7%) | |
| Intermediate grade (technician, auxiliary, operator) | 104 (38.5%) | 12 (25.5%) | |
| Unskilled worker (laborer) | 125 (46.3%) | 22 (46.8%) | |
| Employment status | 0.646 | ||
| Employed | 151 (55.9%) | 24 (51.1%) | |
| Unemployed | 119 (44.1%) | 23 (48.9%) | |
| Family status: | 0.318 | ||
| Alone | 27 (10.0%) | 2 (4.26%) | |
| Couple | 154 (57.0%) | 26 (55.3%) | |
| Family | 81 (30.0%) | 19 (40.4%) | |
| Others, not relatives | 8 (2.96%) | 0 (0.00%) | |
| Cardiovascular risk factors | |||
| History of chest pain: variable present in HEART | < 0.001 | ||
| High Suspicion | 71 (26.3%) | 29 (61.7%) | |
| Medium Suspicion | 132 (48.9%) | 10 (21.3%) | |
| Low Suspicion | 67 (24.8%) | 8 (17.0%) | |
| Smoking cigarettes: variable present in HEART and TIMI | < 0.030 | ||
| Yes | 65 (24.1%) | 19 (40.4%) | |
| No | 205 (75.9%) | 28 (59.6%) | |
| Hypercholesterolemia: variable present in HEART and TIMI | < 0.373 | ||
| Yes | 110 (40.7%) | 23 (48.9%) | |
| No | 160 (59.3%) | 24 (51.1%) | |
| Hypertension: variable present in HEART and TIMI | < 0.016 | ||
| Yes | 135 (50.0%) | 33 (70.2%) | |
| No | 135 (50.0%) | 14 (29.8%) | |
| Diabetes: variable present in HEART and TIMI | < 0.005 | ||
| Yes | 46 (17.0%) | 17 (36.2%) | |
| No | 224 (83.0%) | 30 (63.8%) | |
| Dyslipidemia: variable present in HEART and TIMI | < 0.287 | ||
| Yes | 112 (41.5%) | 24 (51.1%) | |
| No | 158 (58.5%) | 23 (48.9%) | |
| Coronary sten. (> 50%)b: variable present in TIMI | < 0.038 | ||
| Yes | 26 (9.63%) | 10 (21.3%) | |
| No | 244 (90.4%) | 37 (78.7%) | |
| TAS: variable present in GRACE | 142 (22.2) | 143 (22.8) | < 0.820 |
| F. history of ischemic heart disease (M < 55 y. W < 65 y.) c: variable present in HEART and TIMI | < 0.018 | ||
| Yes | 31 (11.5%) | 12 (25.5%) | |
| No | 239 (88.5%) | 35 (74.5%) | |
| Obesity: variable present in HEART | < 0.628 | ||
| Yes | 68 (25.2%) | 14 (29.8%) | |
| No | 202 (74.8%) | 33 (70.2%) | |
| Risk factors: variable present in HEART and TIMI | < 0.001 | ||
| = 3 | 74 (27.4%) | 27 (57.4%) | |
| 1–2 | 139 (51.5%) | 16 (34.0%) | |
| No risk factors | 57 (21.1%) | 4 (8.51%) | |
| KILLIP | |||
| KILLIPd: variable present in GRACE | < 0.001 | ||
| 1 | 253 (93.7%) | 34 (72.3%) | |
| 2 | 15 (5.56%) | 11 (23.4%) | |
| 3 | 2 (0.74%) | 1 (2.13%) | |
| 4 | 0 (0.00%) | 1 (2.13%) | |
| ECG | |||
| ECG: variable present in HEART and GRACE | < 0.001 | ||
| Significant ST depression | 9 (3.33%) | 5 (10.6%) | |
| Unsp. repolarization alteratione | 88 (32.6%) | 24 (51.1%) | |
| Normal | 173 (64.1%) | 18 (38.3%) | |
| Troponin | |||
| Troponin: variable present in HEART and TIMI | < 0.001 | ||
| = 3 times the normal limit | 15 (5.56%) | 7 (14.9%) | |
| 1–3 times the normal limit | 20 (7.41%) | 15 (31.9%) | |
| = normal limit | 235 (87.0%) | 25 (53.2%) | |
a: major adverse cardiovascular events; b: history of ischemic heart disease (M < 55 y. W < 65 y.): Family history of ischemic heart disease in men under 55 years of age and in women under 65 years of age; c: coronary stenosis greater than 50%. Risk factors: cardiovascular risk factors; d: Killip-Kimball classification; e: unspecific alteration of repolarization on the electrocardiogram.