Table 2 Clinical outcomes
Group | MIPO group | Conventional group | P | |
|---|---|---|---|---|
Primary | Operative time (min) | 52.5 ± 11.1 | 82.8 ± 16.2 | <0.001 |
VAS | ||||
Post-operation | 6.9 ± 1.2 | 6.7 ± 1.4 | 0.568 | |
1 week | 3.2 ± 1.4 | 3.9 ± 1.3 | 0.038 | |
Wound healing complications | 2 | 13 | 0.004 | |
Superficial infection | 1 | 4 | 0.236 | |
Deep infection | 0 | 2 | 0.191 | |
Wound necrosis | 1 | 7 | 0.046 | |
Secondary | Time to operation (days) | 6.2 ± 3.1 | 6.5 ± 2.7 | 0.647 |
Length of incision | 4.2 ± 0.6 | 10.9 ± 1.5 | <0.001 | |
Postoperative drainage (mL) | 169.5 ± 49.1 | 160.7 ± 43.9 | 0.457 | |
Hospital stay (days) | 9.7 ± 2.8 | 11.7 ± 2.6 | 0.004 | |
Medical expense (102 USD) | 20.0 ± 2.3 | 21.3 ± 4.4 | 0.143 | |
AOFAS score | 84.4 ± 4.9 | 83.9 ± 6.2 | 0.672 | |
SF-36 score | 83.9 ± 5.3 | 84.8 ± 5.9 | 0.533 |