Table 3. Perioperative and surgical characteristics of 108 patients in three groups.
| Variables | Cyst resection & partial thymectomy (n=46) | Thymectomy (n=49) | Extended thymectomy (n=13) | F value | P value |
|---|---|---|---|---|---|
| Cyst size (cm) (mean ± SD) | 6.6±3.6 | 3.5±2.3 | 3.8±3.4 | 12.192 | <0.001 |
| Intraoperative bleeding (mL) | 30.0 | 50.0 | 50.0 | 2.106 | 0.049 |
| Operation time (min) | 92.5 | 105.0 | 140.0 | 1.416 | 0.015 |
| Chest tube indwelling time (days) (mean ± SD) | 2.0±1.3 | 2.2±1.5 | 3.6±3.7 | 3.241 | 0.043 |
| Length of hospital stay (days) (mean ± SD) | 3.2±2.5 | 3.3±2.3 | 6.0±4.5 | 3.173 | 0.046 |
| Complication, n (%) | 2/46 (4.3) | 3/49 (6.1) | 2/13 (15.4) | 0.804 | 0.423 |
| Atrial fibrillation | 1 (2.2) | 2 (4.0) | 0 | ||
| Chylothorax | 0 | 0 | 2 (15.4) | ||
| Pneumonia | 1 (2.2) | 1 (2.0) | 0 | ||
| Conversion of surgical approach | 1 | 0 | 0 | – | – |
| Recurrence/follow-up patients | 0/39 | 0/42 | 0/12 | – | – |
SD, standard deviation.