Table 1 Comparison of the clinical and pathological data
VATS wedge resection (n = 14) | VATS radical resection (n = 33) | P value | ||
|---|---|---|---|---|
Age (years) | 74.93 ± 3.12 | 72.82 ± 2.92 | 0.943 | |
Gender | Male | 9 | 20 | 0.812 |
Female | 5 | 13 | ||
Site of the tumor | Right upper lobe | 5 (35.7%) | 9 (27.3%) | 0.721 |
Right middle lobe | 1 (7.1%) | 4 (12.1%) | ||
Right lower lobe | 1 (7.1%) | 7 (21.2%) | ||
Left upper lobe | 5 (35.7%) | 8 (24.2%) | ||
Left lower lobe | 2 (14.3%) | 5 (15.2%) | ||
Histological type | Bronchioloalveolar carcinoma | 2 (14.3%) | 1 (3.0%) | 0.527 |
Adenomatous carcinoma | 9 (64.3%) | 23 (69.7%) | ||
Squamous carcinoma | 2 (14.3%) | 5 (15.2%) | ||
Others | 1 (7.1%) | 4 (12.1%) | ||
Tumor size (cm) | 2.24 ± 0.56 | 2.33 ± 0.82 | 0.094 | |
Differentiation | Low | 1 (7.1%) | 8 (24.2%) | 0.134 |
Medium | 9 (64.3%) | 22 (66.7%) | ||
High | 4 (28.6%) | 3 (9.1%) | ||
Pleural invasion | With | 4 (28.6%) | 8 (24.2%) | 0.756 |
Without | 10 (71.4%) | 25 (75.8%) | ||
T-stage | 1a | 6 (42.9%) | 12 (36.4%) | 0.865 |
1b | 4 (28.6%) | 9 (27.3%) | ||
2a | 4 (28.6%) | 12 (36.4%) | ||
Pathological stage | IA | 10 (71.4%) | 21 (63.6%) | 0.606 |