Table 1.
Characteristics of the study patients according to idiopathic pulmonary fibrosis (IPF) and driver mutation status.
| Characteristic | IPF ( +), driver mutation (–) |
IPF ( −), driver mutation (–) |
IPF ( −), driver mutation ( +) |
|---|---|---|---|
| (n = 14) | (n = 11) | (n = 11) | |
| Median age (range), years | 74 (55–86) | 70 (54–78) | 64 (31–78) |
| Sex | |||
| Male | 13 (92.9) | 9 (81.8) | 4 (36.4) |
| Female | 1 (7.1) | 2 (18.2) | 7 (63.6) |
| Smoking pack-years | |||
| ≥ 40 | 8 (57.1) | 7 (63.6) | 2 (18.2) |
| < 40 | 6 (42.9) | 4 (36.4) | 9 (81.8) |
| Oncogenic driver | |||
| EGFR mutation | 0 | 0 | 6 (54.5) |
| ALK fusion | 0 | 0 | 2 (18.2) |
| MET mutation | 0 | 0 | 2 (18.2) |
| KRAS mutation | 0 | 0 | 1 (9.1) |
Values are number (%) with the exception of age.