Table 5 Factors associated with prolonged operative time for patients with necrotizing soft tissue infections
Operative time in minutes, | Operative time in minutes, | p value | |
|---|---|---|---|
if yes | if no | ||
median (IQR) | median (IQR) | ||
Location of NSTI | 0.158a | ||
Head/neck | 76 (55–104) | 57 (31–90) | 0.147 |
Trunk | 90 (59–110) | 55 (31–76) | 0.044 |
Perineum | 49 (36–68) | 60 (31–90) | 0.474 |
Upper extremity | 45 (19–90) | 60 (37–90) | 0.368 |
Lower extremity | 59 (35–76) | 59 (34–90) | 0.650 |
Estimated TBSA affected | 0.006b | ||
< 2% | 38 (26–65) | 60 (37–90) | 0.089 |
2–3% | 45 (22–63) | 65 (38–96) | 0.002 |
4–5% | 72 (38–100) | 56 (30–76) | 0.134 |
> 6% | 71 (43–100) | 47 (29–75) | < 0.001 |
Monomicrobial NSTI infection | 59 (30—90) | 60 (39—75) | 0.711 |
Amputation during initial surgery | 59 (43–93) | 59 (35–89) | 0.584 |
Skin sparing operating technique utilized | 46 (30–90) | 60 (36–89) | 0.715 |
Intra-operative assessed frozen section and/or Gram stain | 87 (63–106) | 46 (29–73) | < 0.001 |