Table 6 Association of operative time per 20 min on various outcomes of necrotizing soft tissue infections
β coefficient (95% CI) | Standard error | p value* | |
|---|---|---|---|
Mortality (n = 150) | |||
Operative time (per 20 min) | 0.14 (− 0.06 to 0.33) | 0.10 | 0.170 |
Estimated total body surface area affected (in %) | 0.16 (0.04 to 0.27) | 0.06 | 0.007 |
Septic prior to surgery | 0.49 (− 0.06 to 1.59) | 0.56 | 0.391 |
ASA classification | 1.01 (0.31 to 1.72) | 0.36 | 0.005 |
Amputation required after initial surgery (n = 150) | |||
Operative time (per 20 min) | 0.11 (− 0.012 to 0.35) | 0.12 | 0.356 |
Estimated total body surface area affected (in %) | 0.03 (− 0.13 to 0.20) | 0.09 | 0.696 |
Septic prior to surgery | 0.49 (− 1.04 to 2.02) | 0.78 | 0.528 |
ASA classification | 0.26 (− 0.62 to 1.14) | 0.45 | 0.568 |
Length of ICU stay (n = 104) | |||
Operative time (per 20 min) | 1.43 (0.46 to 2.40) | 0.49 | 0.004 |
Estimated total body surface area affected (in %) | 0.29 (− 0.33 to 0.91) | 0.31 | 0.352 |
Septic prior to surgery | 9.19 (4.91 to 13.47) | 2.16 | < 0.001 |
ASA classification | − 1.31 (− 3.67 to 1.06) | 1.19 | 0.275 |
Length of hospital stay (n = 129) | |||
Operative time (per 20 min) | 3.25 (0.23 to 6.27) | 1.53 | 0.035 |
Estimated total body surface area affected (in %) | 6.37 (4.19 to 8.55) | 1.10 | < 0.001 |
Septic prior to surgery | 17.17 (3.41 to 30.94) | 6.96 | 0.015 |
ASA classification | 6.84 (− 0.69 to 14.37) | 3.80 | 0.074 |
Number of surgeries within first 30 days (n = 145) | |||
Operative time (per 20 min) | 0.01 (− 0.14 to 0.16) | 0.08 | 0.873 |
Estimated total body surface area affected (in %) | 0.25 (0.13 to 0.37) | 0.06 | < 0.001 |
Septic prior to surgery | − 0.24 (− 1.05 to 0.58) | 0.41 | 0.565 |
ASA classification | − 0.16 (− 0.58 to 0.25) | 0.21 | 0.438 |
Days until definitive wound closure (n = 120) | |||
Operative time (per 20 min) | − 2.77 (− 7.64 to 2.09) | 2.46 | 0.262 |
Estimated total body surface area affected (in %) | − 2.52 (− 6.01 to 0.96) | 1.76 | 0.154 |
Septic prior to surgery | 8.32 (− 14.40 to 31.05) | 11.47 | 0.470 |
ASA classification | 11.41 (− 1.27 to 24.09) | 6.40 | 0.077 |