Table 1 Patient baseline characteristics
Characteristics | First-line | Second-line | All patients | (%) | |||
|---|---|---|---|---|---|---|---|
No | (%) | No | (%) | ||||
Sex | Male | 12 | (100) | 20 | (100) | 32 | (100) |
Female | 0 | (0) | 0 | (0) | 0 | (0.0) | |
Age, median | 58 | (45-70) | 66 | (54-76) | 60.5(45~76) | ||
ECOG PS | 0 | 3 | (25) | 6 | (30) | 9 | (28.1) |
1 | 9 | (75) | 13 | (65) | 22 | (68.8) | |
2 | 0 | (0) | 1 | (5) | 1 | (3.1) | |
Histology | Squamous | 12 | (100) | 20 | (100) | 32 | (100) |
Smoking history | Never | 0 | (0) | 2 | (10) | 2 | (6.3) |
Ever | 12 | (100) | 18 | (90) | 30 | (93.7) | |
Prior therapy | None | 6 | (50) | N/A | 6 | ||
Surgery | 6 | (50) | 4 | (20) | 10 | ||
Radiation | 0 | (0) | 2 | (10) | 2 | ||
Chemotherapy | N/A | 20 | (100) | 20 | |||
No.of metastatic sites | 1 | 3 | (25.0) | 5 | (25) | 8 | (25.0) |
2 | 3 | (25.0) | 10 | (50) | 13 | (40.6) | |
3 | 1 | (8.3) | 4 | (20) | 5 | (15.6) | |
Locoregional | 5 | (41.7) | 1 | (5) | 6 | (18.8) | |
Metastatic | 7 | (58.3) | 19 | (95) | 26 | (81.3) | |
Liver | 3 | (25.0) | 13 | (65) | 16 | (50.0) | |
Lung | 7 | (58.3) | 19 | (95) | 26 | (81.3) | |
Bone | 2 | (16.7) | 5 | (25) | 7 | (21.9) | |