Number of patients with various abnormalities on the admission chest radiograph
| Chest radiograph appearance | Code | Number | Died ⩽1 month (mortality %) | Died ⩽ 2 years (mortality %) |
|---|---|---|---|---|
| Not available | 0 | 51 | 5 (10) | 14 (27) |
| Normal | 1 | 234 | 5 (2) | 20 (9) |
| Pulmonary venous congestion | 2 | 23 | 3 (13) | 4 (17) |
| Interstitial oedema | 3 | 51 | 1 (2) | 11 (22) |
| Alveolar oedema | 4 | 19 | 4 (21) | 8 (42) |
| Totals | 378 | 18 (5) | 57 (15) |