Table 2 Surgical-related factors and follow-up information
Surgical information | PSM group | Control group | |
|---|---|---|---|
Duration of surgery (minutes, median, range) | 130 (120–150) | 122.5 (90–150) | P = 0.12 |
Blood loss (ml, median, range) | 300 (200–450) | 290 (200–400) | P = 0.51 |
Negative margin | 12 | 8 | |
24 h prophylactic antibiotics used | 12 | 8 | |
Bacteria detected | 2 | 6 | P = 0.03* |
Wound dehiscence | 1 | 5 | P = 0.02* |
Debridement | 0 | 5 | |
Recurrence | 0 | 0 | |
Herniation | 0 | 6 | |
MSTS score (mean, range) | 29 (27–30) | 24 (22–26) | P < 0.05* |