TABLE 1.
Characteristics of 92 study patients (median age 72 years, with a range of 55–94 years)
| Characteristic | n | (%) |
|---|---|---|
| Sex | ||
| Male | 72 | (78.3) |
| Female | 20 | (21.7) |
| Smoking history | ||
| Smoker | 85 | (92.4) |
| Never‐smoker | 7 | (7.6) |
| Stage | ||
| I | 12 | (13.0) |
| II | 9 | (9.8) |
| III | 34 | (37.0) |
| IV | 37 | (40.2) |
| Emphysema | ||
| Yes | 57 | (62.0) |
| No | 35 | (38.0) |
| ILD | ||
| All | 25 | (27.2) |
| UIP | 17 | (18.5) |
| Non‐UIP | 8 | (8.7) |
| None | 67 | (72.8) |
| Treatment | ||
| Surgery | 11 | (12.0) |
| Radiotherapy | 1 | (1.0) |
| Chemoradiotherapy | 11 | (12.0) |
| Chemotherapy | 55 | (59.0) |
| None | 15 | (16.0) |
Abbreviations: ILD, interstitial lung disease; UIP, usual interstitial pneumonia.