Table 8.
Predictive values of parameters for mortality of HFRS patients.
| Variables | AUC | P-value | Cut-off value | Sensitivity | Specificity | 95% CI for AUC | |
|---|---|---|---|---|---|---|---|
| Lower | Upper | ||||||
| Lg PCT at admission | 0.819 | <0.001 | 0.36 | 0.92 | 0.66 | 0.724 | 0.914 |
| Neutrophils percentage at admission | 0.716 | 0.010 | 73.60 | 0.69 | 0.70 | 0.586 | 0.847 |
| MODS | 0.723 | 0.008 | – | – | – | 0.544 | 0.903 |
| Combinationa | 0.907 | <0.001 | 0.06b | 0.92 | 0.79 | 0.821 | 0.993 |
AUC, area under the receiver operating characteristic (ROC) curve; CI, confidence interval; MODS, multiple organ dysfunction syndrome.
a
Lg PCT, Neutrophil percentage, and the occurrence of MODS in combination.
b
Probability value of the combination was analyzed by logistic regression. The regression coefficients of these three parameters were used to set up a logit model of death for critical HFRS patients as follows: Logit(P|y = death) = −12.586+0.072LgPCT+3.470neutrophil percentage+1.988 MODS.