Table 1.
Clinical demographics of patients in VATS and thoracotomy groups
| Variables | VATS group (n=70) | Thoracotomy group (n=28) | P |
|---|---|---|---|
| Sex (male/female) | 39/31 | 17/11 | 0.651 |
| Age (years)* | 63.1 ± 11.1 | 61.0 ± 7.8 | 0.294 |
| Smoker/nonsmoker | 44/26 | 18/10 | 0.895 |
| Adeno/SCC/other† | 34/32/4 | 15/12/1 | 0.613 |
| Lobectomy/biolobectomy‡ | 68/2 | 27/1 | 1.000 |
| Tumor diameter (cm)* | 2.3 ± 1.2 | 2.6 ± 1.2 | 0.375 |
| Number of dissected LN* | 24.5 ± 6.7 | 22.9 ± 6.3 | 0.267 |
| Operation duration (min)* | 142.4 ± 22.3 | 134.1 ± 25.0 | 0.121 |
| Blood loss (ml)* | 74.7 ± 42.7 | 94.3 ± 49.0 | 0.055 |
*Mean ± SD; †Kruskal–Wallis test; ‡Chi-square tests-Fisher’s exact test. Adeno: Adenocarcinoma; SCC: Squamous cell carcinoma; VATS: Video-assisted thoracoscopic; SD: Standard deviation; LN: Lymph node.