Table 7 Univariate & multivariate analysis of risk factors for mortality in nondiabetic necrotizing fasciitis patients
Variable | Univariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
OR(95 % CI) | P value | OR(95 % CI) | P value | |
Age | 1.02(1.00,1.04) | 0.1 | ||
Male gender | 0.99(0.37,2.64) | 0.98 | ||
Functional status | ||||
Partially dependent | 1 | - | ||
Totally dependent | 0.22(0.04,1.25) | 0.09 | 0.23(0.03,2.09) | 0.193 |
Totally independent | 0.29(0.1,0.85) | 0.025 | 0.16(0.04,0.74) | 0.019 |
Underlying medical conditions | ||||
Chronic renal failure | 2.55(0.67,9.77) | 0.17 | ||
Immunosuppresant medication | 0.73(0.14,3.87) | 0.71 | ||
Clinical presentation at admission | ||||
Consciousness disturbance | 1.97(0.70,5.56) | 0.2 | ||
Temperature > 38 °C | 1.40(0.50,3.90) | 0.52 | ||
Dyspnea | 2.15(0.80,5.76) | 0.13 | ||
Systolic BP < 90 mmHg | 1.45(0.56,3.78) | 0.45 | ||
SIRS | 8.21(1.01,66.85) | 0.049 | 12.21(1.09,137.21) | 0.043 |
Pus at infection site | 0.22(0.05,1.03) | 0.05 | 0.09(0.01,0.86) | 0.037 |
Admission lab data | ||||
Hemoglobulin (mg/dl) | 0.93(0.77,1.13) | 0.45 | ||
Leukocyte (103/mm3) | 0.97(0.93,1.02) | 0.18 | ||
Platelet (103/mm3) | 0.99(0.987,0.999) | 0.021 | 0.997(0.99,1.004) | 0.382 |
Potassium (mEq/l) | 1.39(0.71,2.70) | 0.34 | ||
Positive blood culture | 1.05(0.33,3.37) | 0.93 | ||