Table 2.
Surgical outcomes of the matched RATS and VATS groups
| Variables | RATS group | VATS group | P-value |
|---|---|---|---|
| (n = 66) | (n = 66) | ||
| Mini-invasive laterality, n (%) | 0.377 | ||
| Right side | 30 (45.46) | 38 (57.58) | |
| Left side | 24 (36.36) | 19 (28.78) | |
| Sub-xyphoid | 12 (18.18) | 9 (13.64) | |
| Operative time (min), median (IQR) | 100.00 (80.00, 120.00) | 120.00 (90.00, 140.00) | 0.039 |
| Intraoperative blood loss (ml), median (IQR) | 40.00 (20.00, 50.00) | 50.00 (20.00, 100.00) | 0.011 |
| Conversion, n (%) | 2 (3.03) | 10 (15.15) | 0.030 |
| R0 resection, n (%) | 65 (98.48) | 65 (98.48) | 1.000 |
| Concomitant resection, n (%) | 6 (9.09) | 8 (12.12) | 0.464 |
| Lung | 3 (4.55) | 6 (9.09) | |
| Pericardium | 4 (6.06) | 5 (7.58) | |
| Innominate vein | 3 (4.55) | 1 (1.52) | |
| vena cava | 1 (1.52) | 0 | |
| Without chest tube, n (%) | 11 (16.67) | 13 (19.70) | 0.822 |
| Duration of chest tube (days), median (IQR) | 3.00 (3.00, 5.00) | 3.00 (2.00, 4.00) | 0.073 |
| Total drainage volume (ml), median (IQR) | 550.00 (380.00, 920.00) | 460.00 (240.00, 700.00) | 0.015 |
| Post-operative complications, n (%) | 5 (7.58) | 4 (6.06) | 0.987 |
| Myasthenia crisis | 2 (3.03) | 2 (3.03) | |
| Pneumonia | 1 (1.52) | 1 (1.52) | |
| Pneumothorax | 2 (3.03) | 1 (1.52) | |
| Arrhythmia | 1 (1.52) | 1 (1.52) | |
| Clavien-Dindo grade | 0.901 | ||
| I-II | 2 (3.03) | 2 (3.03) | |
| III-IV | 3 (4.55) | 2 (3.03) | |
| Hospital stay (days), median (IQR) | 6.00 (3.00, 10.00) | 6.00 (4.00, 10.00) | 0.454 |
| 30-day mortality | 0 (0) | 0 (0) | - |
| Total costs (¥), median (IQR) | 68,122.00 (61,287.00, 79,467.00) | 37,886.00 (31,281.00, 46,974.00) | < 0.001 |
Abbreviations IQR Interquartile range, RATS Robot-assisted thoracoscopic surgery, VATS Video-assisted thoracoscopic surgery