Cause of death of biopsy patients
| Total deaths | 911 (100.0) |
| Interstitial lung disease | 451 (49.5) |
| Cancer (excluding lung cancer) | 94 (10.3) |
| Lung cancer | 71 (7.8) |
| Ischaemic heart disease or heart failure | 53 (5.8) |
| COPD | 35 (3.8) |
| Pneumonia | 35 (3.8) |
| Other respiratory | 29 (3.2) |
| Connective tissue disease | 25 (2.7) |
| Other cardiac cause | 21 (2.3) |
| Stroke | 13 (1.4) |
| Other | 65 (7.1) |
| No data | 19 (2.1) |
Data are presented as n (%). COPD: chronic obstructive pulmonary disease.