| Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |||
| Length of stay | Myocardial infarction | 10.1 | 7.1 | 11.2 | 9.6 | 9.4 | 6.8 | 11.3 | 10.0 | 8.5 | 7.2 | 10.1 | 9.4 | 8.1 | 6.6 | 9.6 | 9.9 | |
| Angina | 7.0 | 7.5 | 7.6 | 7.0 | 6.6 | 7.2 | 7.3 | 7.9 | 6.0 | 6.6 | 6.7 | 8.0 | 5.6 | 6.7 | 6.4 | 7.3 | ||
| Chronic ischaemia | 9.9 | 24.1 | 12.7 | 21.1 | 8.9 | 17.8 | 13.8 | 18.8 | 8.1 | 15.6 | 12.7 | 18.1 | 8.5 | 14.1 | 12.1 | 17.3 | ||
| Chest pain | 4.1 | 6.0 | 4.5 | 5.8 | 4.1 | 6.0 | 5.0 | 11.4 | 3.9 | 5.5 | 4.5 | 7.4 | 3.4 | 3.4 | 3.8 | 3.3 | ||