Table 4.
Post-operative outcomes of the two groups.
| CO2 group (n = 22) | Gasless group (n = 20) | P | |
|---|---|---|---|
| Hospital stay (days) | 4.5 | 4.6 | 0.729 |
| Drainage volume (ml) | 20 | 19.5 | 0.536 |
| Postoperative complications | 0 | 0 | – |
| Subcutaneous emphysema | 1 | 0 | – |
| Pneumomediastinum | 1 | 0 | – |
| Pneumothorax | 0 | 0 | – |
| Hypocalcemia | 0 | 0 | – |
| Transient RLN palsy | 1 | 1 | 1.000 |
| Permanent RLN palsy | 0 | 0 | – |
| Hemorrhage | 0 | 0 | – |
| Skin ecchymosis | 0 | 0 | – |
| Subcutaneous fluid | 0 | 0 | – |
| Wound infection | 0 | 0 | – |
| Tracheal injury | 0 | 0 | – |
| Esophagus injury | 0 | 0 | – |
RLN, recurrent laryngeal nerve.