Table 1.
Baseline characteristics of the patients in this study
| First-line treatment | Chemoradiotherapy | Radiotherapy | Chemotherapy |
|---|---|---|---|
| (N = 37) | (N = 17) | (N = 25) | |
| Variable | |||
| Age, median (range) | 73 (52-85) | 80 (59-89) | 69 (58-81) |
| Sex, male/female | 32 / 5 | 15 / 2 | 21 / 4 |
| PS, 0/1/2 | 15 / 22 / 0 | 6 / 7 / 4 | 10 / 15 / 0 |
| Clinical staging (the 7th edition of the TNM classification), IIIA/IIIB | 20 / 17 | 8 / 9 | 10 / 15 |
| Smoking history, yes/no | 33 / 4 | 16 / 1 | 24 / 1 |
| Histology, squamous/non-squamous | 19 / 18 | 7 / 10 | 13 / 12 |
| ILD classification on CT, UIP pattern/non-UIP pattern | 11 / 26 | 6 / 11 | 16 / 9 |
| %VC, median (range) | 96 (59-129) | 86 (62-112) | 85 (64-121) |
| V20, median (range) | 27 (12-35) | 25 (14-36) | |
| The number of patient with lung volume loss or honeycombing | 4 | 4 | 13 |
ILD, interstitial lung disease; CT, computed tomography; UIP, usual interstitial pneumonia; VC, vital capacity.