Table 1. Basic patient characteristics and clinical data.
| Characteristic | Groups, No. (%) |
P value | |
|---|---|---|---|
| 3D-VATS (n=150) | 2D-VATS (n=150) | ||
| Hospital* | 0.564 | ||
| LNCH&I | 71 (47.33) | 77 (51.33) | |
| GMU1H | 79 (52.67) | 73 (48.67) | |
| A (years) | 0.643 | ||
| ≤60 | 66 (44.00) | 71 (47.33) | |
| >60 | 84 (56.00) | 79 (52.67) | |
| Sex | 0.907 | ||
| Female | 64 (42.67) | 62 (41.33) | |
| Male | 86 (57.33) | 88 (58.67) | |
| Smoking status | 0.720 | ||
| Never | 52 (34.67) | 56 (37.33) | |
| Former, quit >30 d | 41 (27.33) | 35 (23.33) | |
| Active smoker | 57 (38.00) | 59 (39.33) | |
| Tumor size (cm) | 0.729 | ||
| ≤3 | 72 (48.00) | 76 (50.67) | |
| >3 | 78 (52.00) | 74 (49.33) | |
| Tumor site | 0.982 | ||
| Upper lobe of left lung | 44 (29.33) | 46 (30.67) | |
| Lower lobe of left lung | 18 (12.00) | 17 (11.33) | |
| Upper lobe of right lung | 36 (24.00) | 39 (26.00) | |
| Middle lobe | 14 (9.33) | 12 (8.00) | |
| Lower lobe of right lung | 38 (25.33) | 36 (24.00) | |
*, LNCH&I, Liaoning Cancer Hospital & Institute; GMU1H, The First Affiliated Hospital of Guangzhou Medical University. VATS, video-assisted thoracoscopic surgery.