Table 1.
The characteristics of 105 patients with clinical-stage IA NSCLC
| Variables | LA (n = 42) (%) | LS (n = 63) (%) | P Value |
|---|---|---|---|
| Age | 0.746 | ||
| <60 years | 24 (57.1) | 38 (60.3) | |
| ≥60 years | 18 (42.9) | 25 (39.7) | |
| Sex | 0.745 | ||
| Male | 26 (61.9) | 37 (58.7) | |
| Female | 16 (38.1) | 26 (41.3) | |
| Histology | 0.987 | ||
| Squamous cell carcinoma | 12 (28.6) | 18 (28.6) | |
| Adenocarcinoma | 27 (64.3) | 41 (65.1) | |
| Other types | 3 (7.1) | 4 (6.3) | |
| Tumor size | 0.865 | ||
| ≤2 cm | 14 (33.3) | 20 (31.7) | |
| >2 cm | 28 (66.7) | 43 (68.3) | |
| Tumor location | 0.612 | ||
| Peripheral | 33 (78.6) | 52 (82.5) | |
| Central | 9 (21.4) | 11 (17.5) | |
LA radical systematic mediastinal lymphadenectomy, LS mediastinal lymph node sampling