| Age | 63 ± 8 | 64 ± 13 | 81 ± 11 ( P < 0.001 intermediate +low risk vs high) |
| ECG changes | 6 (75%) | 22 (51.2%) | 22 (53.4%) |
| Troponin rise | 4 (50%) | 43 (100%) | 34 (83%) |
| Creatinine (umol/l) | 76.8 ± 18.5 | 105.72 ± 62.3 | 127.65 ± 63.1 (p = 0.0467 intermediate +low risk vs high) |
| Length of stay (days) | 3.5 ± 1.0 | 6.2 ± 7.4 | 9.6 ± 8.6 (p = 0.022 intermediate +low risk vs high) |
| Cath <24 h**(as a percentage of those allocated for invasive management) | 2 (2.9%) | 18 (26.1%) | 6 (8.7%) |
| Cath 24–48 h** | 3 (4.3%) | 15 (21.7%) | 8 (11.6%) |
| Cath >72 h** | 1 (1.4%) | 7 (10.1% ) | 9 (13.0%) |
| Medical Management | 1 (12.5%) | 0 (0%) | 18 (44%) |