Number of patients with various abnormalities on the admission ECG
| ECG appearance | Code | Number | Died ⩽ 1 month (mortality %) | Died ⩽ 2 years (mortality %) |
|---|---|---|---|---|
| Not available | 0 | 6 | 1 (17) | 3 (50) |
| Bundle branch block | 1 | 18 | 0 (0) | 5 (3) |
| 1-150ST elevation: anterior alone | 2 | 98 | 10 (10) | 18 (18) |
| 1-150ST elevation: inferior alone | 3 | 99 | 3 (3) | 10 (10) |
| 1-150ST elevation: anterior and inferior | 4 | 20 | 1 (5) | 2 (10) |
| ST elevation: other ST elevation | 5 | 27 | 0 (0) | 3 (11) |
| ST depression, without ST elevation | 6 | 46 | 0 (0) | 9 (20) |
| Q waves | 7 | 8 | 1 (13) | 2 (25) |
| T wave inversion | 8 | 17 | 2 (12) | 3 (18) |
| Normal | 9 | 17 | 0 (0) | 2 (12) |
| Other abnormality | 10 | 22 | 0 (0) | 0 (0) |
| Totals | 378 | 18 (5) | 57 (15) |
↵1-150 ST elevation ⩾ 1 mm in two adjacent limb leads or ⩾ 2 mm in two adjacent precordial leads.