Table 2 Results of ROC analysis for serum biomarkers in the diagnosis of DSSI
ESR(mm/h) | CRP(mg/L) | P/M ratio | |
|---|---|---|---|
Optimal threshold | 37.00 | 15.50 | 17.50 |
Sensitivity | 70.8% | 75.0% | 58.3% |
Specificity | 79.7% | 86.4% | 78.6% |
AUC | 0.797 | 0.845 | 0.756 |
Accuracy | 77.11% | 83.13% | 73.49% |
Positive likelihood ratio | 3.487 | 5.515 | 2.724 |
Negative likelihood ratio | 0.366 | 0.289 | 0.531 |
Positive predictive value | 58.62% | 69.23% | 53.84% |
Negative predictive value | 87.04% | 89.47% | 82.45% |
Standard error | 0.0547 | 0.0525 | 0.0577 |
95%CI | 0.689–0.904 | 0.742–0.948 | 0.642–0.869 |
Significance | < 0.001 | < 0.001 | < 0.001 |