Table 1 Baseline demographic and clinicohistologic characteristics of the patients described in this study
Clinicohistologic feature | n (%) | |
|---|---|---|
Age, median [range] | 60 [20–79] |  |
Sex | Female | 16 (22.5) |
| Â | Male | 54 (76.1) |
| Â | Unknown | 1 (1.4) |
Stage | III | 22 (31) |
IV | 48 (67.6) | |
Unknown | 1 (1.4) | |
Histology | LUAD | 56 (78.9) |
LUSC | 15 (21.1) | |
Smoking | Yes | 33 (46.5) |
No | 38 (53.5) | |
Location of lung tumor | Central | 39 (54.9) |
Peripheral | 28 (39.4) | |
Unknown | 4 (5.6) | |
Sputum type | Induced | 13 (18.3) |
Non-induced | 58 (81.7) | |
T stage | T1 | 9 (12.7) |
| Â | T2 | 19 (26.8) |
| Â | T3 | 15 (21.1) |
| Â | T4 | 28 (39.4) |
N stage | N0 | 1 (1.4) |
| Â | N1 | 7 (9.9) |
| Â | N2 | 22 (31) |
| Â | N3 | 40 (56.3) |
| Â | Unknown | 1 (1.4) |
M stage | M0 | 19 (26.8) |
| Â | M1 | 48 (67.6) |
| Â | Unknown | 4 (5.6) |
Nodal metastasis | Yes | 68 (95.8) |
No | 2 (2.8) | |
Unknown | 1 (1.4) | |
Brain metastasis | Yes | 12 (16.9) |
No | 58 (81.7) | |
Unknown | 1 (1.4) | |
Pleural metastasis | Yes | 27 (38.0) |
No | 43 (60.6) | |
Unknown | 1 (1.4) | |
Bone metastasis | Yes | 12 (16.9) |
No | 58 (81.7) | |
Unknown | 1 (1.4) | |
Tracheal violation | Yes | 23 (32.4) |
No | 44 (62.0) | |
Unknown | 4 (5.6) | |
Blood vessel invasion | Yes | 12 (16.9) |
No | 56 (78.9) | |
Unknown | 3 (4.2) | |
Pleurisy | Yes | 19 (26.8) |
No | 48 (67.6) | |
Unknown | 4 (5.6) | |