Table 6 Univariate & multivariate analysis of risk factors for mortality in diabetic necrotizing fasciitis patients

Age

0.98(0.93,1.02)

0.34

Male gender

2.05(0.67,6.26)

0.21

 Partially dependent

1

-

 Totally dependent

2.72(0.5,14.72)

0.25

 Totally independent

1.81(0.65,5.07)

0.26

 Chronic renal failure

1.65(0.56,4.87)

0.37

 Immunosuppresant medication

3.80(0.78,18.47)

0.10

 Consciousness disturbance

1.69(0.64,4.45)

0.29

 Temperature > 38 °C

1.87(0.68,5.18)

0.23

 Dyspnea

3.50(1.24,9.89)

0.018

4.19(0.98,17.91)

0.053

 Systolic BP < 90 mmHg

2.89(1.05,7.96)

0.040

1.81(0.45,7.21)

0.403

 SIRS

0.78(0.21,2.88)

0.70

 Pus at infection site

1.75(0.59,5.21)

0.31

 Hemoglobulin (mg/dl)

0.86(0.69,1.06)

0.16

 Leukocyte (10³/mm³)

1.01(0.96,1.06)

0.81

 Platelet (10³/mm³)

0.996(0.99,1.001)

0.13

 Potassium (mEq/l)

1.84(1.08,3.15)

0.025

1.65(0.84,3.24)

0.147

 Positive blood culture

4.57(1.52,13.78)

0.007

7.36(1.66,32.54)

0.009