Table 2. Clinicopathological and demographic characteristics of the NSCLC patients.
| Variable | N (%) |
|---|---|
|
Gender | |
| Male | 100 (80.6) |
| Female | 24 (19.4) |
|
Smoking status | |
| Non-smoker | 12 (9.8) |
| Smoker | 111 (90.2) |
| x | 1 |
|
Pack-years | |
| <21 | 14 (12.8) |
| 21–49 | 59 (54.1) |
| >49 | 36 (33.0) |
| x | 15 |
|
Histotype | |
| Squamous cell carcinoma | 51 (41.1) |
| Adenocarcinoma | 67 (54.0) |
| Other | 6 (4.8) |
|
COPD | |
| No | 61 (50.0) |
| Yes | 61 (50.0) |
| x | 2 |
|
Differentiation | |
| Poorly differentiated | 34 (27.9) |
| Moderately/well differentiated | 88 (72.1) |
| x | 2 |
|
Tumour size | |
| ⩽3 cm | 36 (29.0) |
| >3 cm | 88 (71.0) |
|
Lymph node | |
| Negative | 70 (56.9) |
| Positive | 53 (43.1) |
| x | 1 |
|
Metastasis | |
| Negative | 106 (85.5) |
| Positive | 18 (14.5) |
|
pTNM stage | |
| IA | 21 (17.1) |
| IB | 34 (27.6) |
| IIA | 10 (8.1) |
| IIB | 12 (9.8) |
| IIIA | 23 (18.7) |
| IIIB | 5 (4.1) |
| IV | 18 (14.6) |
| x | 1 |
|
Deceased | |
| No | 63 (50.8) |
| Yes | 61 (49.2) |
|
Adjuvant chemotherapy | |
| No | 65 (52.8) |
| Yes | 58 (47.2) |
| x | 1 |
Abbreviations: COPD=chronic obstructive pulmonary disease; NSCLC=non-small cell lung cancer; pTNM=postsurgical pathologic tumour node metastasis; x=unknown.