Odds ratio of the index variables in relation to the case fatality.

* P value < 0.05 is significant and all analysis was done by logistic regression model in SPSS 17.0.
a LRINEC, laboratory risk indicator for necrotizing fasciitis.
b MELD, model for end-stage liver disease.
c MELD-Na, modified model for end-stage liver disease including sodium.
d Δ, difference between the admission and the extreme scores.
e OR, odds ratio;
f CI, confidence interval.
Odds ratio of the index variables in relation to the case fatality.