Table 4 Surgical Data of Minimally Invasive Separation Surgery (MISS)
Early phase group (n = 20) | Later phase group (n = 42) | P value | |
|---|---|---|---|
Operative time (min) (mean ± SD) | 227.95 ± 80.69 | 189.02 ± 53.52 | 0.027 |
Intraoperative blood loss (ml) (mean ± SD) | 686.50 ± 631.07 | 792.86 ± 532.89 | 0.533 |
Massive blood loss (> 1000 ml) (%) | 4(20%) | 10(23.8%) | 0.505 |
Postoperative drainage volume (ml) (mean ± SD) | 337.61 ± 253.51 | 471.88 ± 235.01 | 0.054 |
Retention time of drainage tube (min) (mean ± SD) | 4.44 ± 1.67 | 4.88 ± 1.51 | 0.385 |
Postoperative hospital stay (day) (mean ± SD) | 5.25 ± 2.27 | 4.93 ± 2.44 | 0.622 |
Perioperative complications (%) | 1(5%) | 2(4.8%) | 0.696 |