High-resolution computed tomography (HRCT) and surgical biopsy results by usual interstitial pneumonia (UIP) pattern
| Surgical lung biopsy | HRCT | |||
| UIP | Possible UIP pattern | Inconsistent with UIP pattern | No results | |
| UIP definite | 84 | 42 | 0 | 2 |
| UIP probable | 9 | 5 | 0 | 0 |
| UIP possible | 4 | 8 | 0 | 0 |
| Definitely not UIP | 0 | 2 | 0 | 0 |
| No results | 0 | 0 | 0 | 1 |
| Not performed | 241 | 49 | 3 | 3 |
Data are presented as n. Combination of HRCT and biopsy was analysable for 154 patients. Missing information on UIP was noted in three cases.