Table 4.
Perioperative outcomes between robot-assisted thoracic surgery and video-assisted thoracic surgery groups in unmatched cohort.
| Characteristics | RATS (n=20) |
VATS (n=83) |
P |
|---|---|---|---|
| Operating time (minute), (median (IQR)) | 153 (118, 199.25) | 172 (136.5, 233.5) | 0.128 |
| Intraoperative bleeding (ml), (median (IQR)) | 150 (100, 200) | 200 (100, 200) | 0.252 |
| Angioplasty, n (%) | 2 (10.0) | 6 (7.2) | 0.687 |
| R0, n (%) | 20 (100.0) | 67 (80.7) | 0.073 |
| LN numbers (median (IQR)) | 15 (13, 18) | 16 (10, 20) | 0.655 |
| MLN numbers (median (IQR)) | 9 (7.75, 11.25) | 8 (5, 13) | 0.496 |
| Location, n (%) | 0.017 | ||
| RUL | 7 (35.0) | 54 (65.1) | |
| RML | 0 (0.0) | 1 (1.2) | |
| RLL or RML+RLL | 1 (5.0) | 0 (0.0) | |
| LUL | 5 (25.0) | 18 (21.7) | |
| LLL | 7 (35.0) | 10 (12.0) | |
| Pathological T stage, n (%) | 0.867 | ||
| pT2 | 19 (95.0) | 76 (92.7) | |
| pT3 | 1 (5.0) | 5 (6.1) | |
| pT4 | 0 (0.0) | 1 (1.2) | |
| Pathological N stage, n (%) | 0.311 | ||
| pN0 | 8 (40.0) | 47 (56.6) | |
| pN1 | 6 (30.0) | 22 (26.5) | |
| pN2 | 6 (30.0) | 14 (16.9) | |
| ICU stay(day), (median (IQR)) | 0.5 (0, 2.25) | 1 (0, 3) | 0.344 |
| Length of drainage (day), (median (IQR)) | 5 (4, 6) | 5 (4, 7) | 0.667 |
| Drainage amount (ml), (median (IQR)) | 1140 (695, 1492.5) | 1300 (955, 1680) | 0.353 |
| LOS (day), (median (IQR)) | 8 (6, 9) | 7 (6, 9) | 0.671 |
| Complication in hospital, n (%) | 3 (15.0) | 15 (18.1) | 0.742 |
| Mortality in hospital, n (%) | 1 (5.0) | 0 (0.0) | 0.437 |
| Adjuvant chemotherapy, n (%) | 6 (30.0) | 45 (54.2) | 0.091 |
| Adjuvant radiotherapy, n (%) | 2 (10.0) | 15 (8.1) | 0.591 |
RATS, robot-assisted thoracoscopic surgery; VATS, video-assisted thoracoscopic surgery; RUL, right upper lobe; RML, right middle lobe; RLL, right lower lobe; LUL, left upper lobe; LLL, left lower lobe; LN, lymph node; MLN, mediastinal lymph node; ICU, intensive care unit; LOS, length of stay.