Table 2.
Comparison of patients' clinical data between the two groups.
| Item | Thoracoscopy-assisted group | Conventional group |
P-value |
|---|---|---|---|
| Operative time (min) | 148.2±30.9 | 151.5±24.4 | 0.768 |
| Aortic occlusion clamping time (min) | 50.1±12.5 | 43.6±9.7 | 0.815 |
| Cardiopulmonary bypass time (min) | 73.2±13.8 | 68.7±14.9 | 0.713 |
| Incision's length (cm) | 4.8±1.0 | 19.6±1.4 | 0.001 |
| Postoperative mechanical ventilation time (h) | 21.4±6.1 | 23.1±7.8 | 0.677 |
| Postoperative intensive care unit time (days) | 2.2±1.4 | 2.7±1.7 | 0.933 |
| Drainage (ml) | 210.3±60.8 | 510.8±71.3 | 0.011 |
| Blood transfusion volume (ml) | 382.2±56.4 | 718.5±117.8 | 0.009 |
| Postoperative analgesia time (h) | 22.1±5.6 | 48.5±6.4 | 0.023 |
| Postoperative hospital length of stay (days) | 10.5±2.9 | 14.2±2.1 | 0.047 |
| Hospital costs (10000RMB*) | 9.1±1.1 | 8.7±1.7 | 0.958 |
*
Costs in renminbi (the Chinese currency)