Table 5.
Associations with 30-day mortality in all ST-elevation myocardial infarction and non-ST-elevation myocardial infarction patients
| 30-day mortality and associations | STEMI |
NSTEMI |
||
|---|---|---|---|---|
| Hazard ratio (95% CI) | P-value | Hazard ratio (95% CI) | P-value | |
| Age (5 year) | 1.31 (1.18, 1.46) | <0.0001 | 1.44 (1.23, 1.69) | <0.0001 |
| Male vs. female | 1.05 (0.59, 1.87) | 0.8717 | 1.82 (0.88, 3.77) | 0.1056 |
| SIMD quintile | 0.1148 | 0.7562 | ||
| Q2 vs. Q1 | 0.61 (0.22, 1.64) | 1.20 (0.45, 3.20) | ||
| Q3 vs. Q1 | 1.60 (0.77, 3.29) | 1.08 (0.35, 3.36) | ||
| Q4 vs. Q1 | 1.04 (0.41, 2.67) | 1.46 (0.55, 3.89) | ||
| Q5 vs. Q1 | 0.27 (0.06, 1.19) | 0.57 (0.16, 2.03) | ||
| Admission to local hospital vs. direct admission to IC (all patients) | 1.86 (1.04, 3.32) | 0.0363 | NA | |
| Admission to local hospital vs. direct admission to IC (patients intended for invasive management) | 0.70 (0.21, 2.28) | 0.5488 | NA | |
| GRACE (low vs. high) | NA | 0.31 (0.02, 4.86) | 0.4019 | |
| Invasive management | 0.0012 | 0.0082 | ||
| None vs. angiogram only | 1.10 (0.40, 3.05) | 6.95 (1.55, 31.17) | ||
| None vs. angiogram and PCI | 3.07 (1.61, 5.85) | 3.66 (1.18, 11.40) | ||
| Angiogram only vs. angiogram and PCI | 2.79 (1.08, 7.25) | 0.53 (0.10, 2.88) | ||
| Local admitting hospital | NA | 0.2376 | ||
| Hospital 2 vs. 1 | 0.21 (0.03, 1.58) | |||
| Hospital 3 vs. 1 | 0.89 (0.37, 2.16) | |||
| Hospital 4 vs. 1 | 1.04 (0.30, 3.66) | |||
| Hospital 5 vs. 1 | — | |||
| Hospital 6 vs. 1 | 0.39 (0.11, 1.38) | |||
| Hospital 7 vs. 1 | 0.20 (0.05, 0.89) | |||
GRACE scores are recorded at time of referral. GRACE score: low (≤140), high (>140).
IC, Intervention Centre; PC, percutaneous coronary intervention; SIMD, Scottish Index of Multiple Deprivation; Q1, most deprived; Q5, least deprived.