Table 8.
The receiver operating characteristic (ROC)analysis of APACHE II, △SOFA2, △LAC2, and SOFA mean score for prediction prognosis
| Variables | AUC | P value | 95% CI | Youden | Cut-off | Sensitivity | Specificity | NPV | PPV | |
|---|---|---|---|---|---|---|---|---|---|---|
| Lower | Upper | |||||||||
| APACHE II | 0.823 | 0.000 | 0.789 | 0.856 | 0.489 | 21.50 | 0.661 | 0.828 | 0.716 | 0.788 |
| △SOFA2 | 0.634 | 0.000 | 0.589 | 0.680 | 0.218 | 0.50 | 0.617 | 0.601 | 0.503 | 0.705 |
| △LAC2 | 0.630 | 0.000 | 0.584 | 0.676 | 0.233 | 1.45 | 0.315 | 0.918 | 0.716 | 0.671 |
| SOFA mean | 0.774 | 0.000 | 0.737 | 0.811 | 0.463 | 5.83 | 0.831 | 0.632 | 0.597 | 0.851 |
| SHMS | 0.851 | 0.000 | 0.821 | 0.882 | 0.550 | 0.33 | 0.778 | 0.772 | 0.692 | 0.841 |
AUROC area under the curve, APACHE II Acute Physiology and Chronic Health Evaluation II, SOFA Sequential Organ Failure Assessment, LAC lactate, CI confidence interval, NPV negative predictive value, PPV positive predictive value, SHMS Sepsis Hospital Mortality Score, SHMS = 0.164APACHEII + 0.171△SOFA2 + 0.145△LAC2 + 0.082SOFA mean