Overview of patient variables
| Patient variable | Non-intervention (n=79) | Intervention (n=119) | p Value |
|---|---|---|---|
| Age | 62.5 (13.7) | 63.7 (12.0) | 0.523 |
| Male | 42 (53.2) | 95 (79.8) | <0.001 |
| Risk factors | |||
| 0 | 17 (21.5) | 10 (8.4) | 0.038 |
| 1 | 16 (20.3) | 37 (31.1) | |
| 2 | 26 (32.9) | 37 (31.1) | |
| 3 | 17 (21.5) | 24 (20.2) | |
| >4 | 3 (3.8) | 11 (9.2) | |
| Heart rate | 82.0 (18.5) | 86.0 (21.5) | 0.180 |
| Systolic blood pressure | 139.4 (31.6) | 137.9 (32.2) | 0.746 |
| In-hospital mortality risk* | 96.7 (33.1) | 118.5 (28.1) | <0.001 |
| 6-month mortality risk* | 6.1 (6.5) | 10.4 (9.7) | <0.001 |
| NSTEMI | 52 (65.8) | 107 (89.9) | <0.001 |
| Atrial fibrillation | 8 (10.1) | 11 (9.2) | 0.836 |
| ST—depression | 6 (7.6) | 56 (47.1) | <0.001 |
| Raised creatinine | 14 (17.7) | 37 (31.09) | 0.035 |
| Troponin rise | 49 (62.0) | 107 (89.9) | <0.001 |
| Cardiac arrest | 5 (6.3) | 1 (0.8) | 0.038 |
*GRACE In-Hospital Mortality Risk scores: 1–108=low, 109–140=intermediate, 141–372=high. GRACE 6-month Mortality Risk scores: 1–88=low, 89–118=intermediate, 119–263=high.
GRACE, Global Registry of Acute Coronary Events; NSTEMI, non-ST-segment elevation myocardial infarction (retrospectively assessed).