Table 1.
Patients’ clinicopathological characteristics
| Variable | No. of patients (%) |
|---|---|
| Overall | 94 (100) |
| Age | |
| Mean ± SDa | 58±11 |
| ≤60 | 56 (60) |
| >60 | 37 (40) |
| Gender | |
| Male | 61 (65) |
| Female | 33 (35) |
| Smoking history | |
| Smoker | 48 (51) |
| Never smoker | 46 (49) |
| Tumor type | |
| ADCb | 72 (77) |
| SCCc | 19 (20) |
| LCCd | 2 (2) |
| ADSCe | 1 (1) |
| Tumor stage | |
| IIA | 1 (1) |
| IIIA | 4 (4) |
| IIIB | 9 (10) |
| IV | 80 (85) |
| Tumor sample origin | |
| Tumor | 71 (75) |
| Nodes | 12 (13) |
| Metastasis | 11 (12) |
| Tumor sample source | |
| Biopsy | 78 (83) |
| Cytologyf | 5 (5) |
| Surgery | 11 (12) |
a
standard deviation;
b
adenocarcinoma;
c
squamous carcinoma;
d
large cell carcinoma;
e
adenosquamous carcinoma;
f
tumor cells of pleural effusion.