Results of the logistic regression model on hospital mortality
| Variable | OR | 95% CI | p Value |
|---|---|---|---|
| Volume of plasma treated (L/kg/day) | |||
| CPFA, ≤0.18 (1° and 2° tertiles) vs controls | 1.52 | 0.73 to 3.17 | 0.033 |
| CPFA, >0.18 (3° tertile) vs controls | 0.36 | 0.13 to 0.99 | |
| Age (decades) | 1.57 | 1.19 to 2.07 | 0.001 |
| Source of admission | |||
| Other ICU vs medical ward | 0.28 | 0.04 to 1.89 | |
| Emergency room vs medical ward | 0.27 | 0.11 to 0.67 | 0.021 |
| Surgical ward vs medical ward | 0.34 | 0.15 to 0.77 | |
| Renal failure at admission | 4.08 | 1.47 to 11.32 | 0.007 |
| Cholecystitis or cholangitis on admission | 0.18 | 0.04 to 0.75 | 0.018 |
Dependent variable: hospital mortality. Number of patients = 184. Prediction: likelihood ratio test: 39.93, degrees of freedom: 8, p<0.0001; % pairs: concordant 77.4%; discordant 22.2%; Somers’ D: 0.55; receiver operating characteristic (ROC) curve area: 0.78. Goodness of fit Hosmer-Lemeshow goodness-of-fit C test: 8.22; eight degrees of freedom; p value = 0.41.
ICU, intensive care unit.