Serum markers | SBP diagnosis | Discrimination between culture-negative SBP and sterile ascites | ||||||||
---|---|---|---|---|---|---|---|---|---|---|
Cutoff value | Sensitivity | Specificity | AUC (95% CI) | P | Cutoff value | Sensitivity | Specificity | AUC (95% CI) | P | |
PCT ng/mL | > 0.590 | 81.67% | 93.33% | 0.879 0.809–0.948 | < 0.001 | > 0.305 | 85.70% | 72.90% | 0.825 0.742–0.907 | < 0.001 |
ESR mm/hour | > 27.0 | 73.33% | 61.67% | 0.679 0.581–0.776 | < 0.001 | > 27.0 | 68.60% | 61.00% | 0.649 0.521–0.776 | 0.008 |
CRP mg/L | > 21.0 | 93.33% | 51.67% | 0.736 0.639–0.833 | < 0.001 | > 23.5 | 80.00% | 64.40% | 0.704 0.613–0.794 | < 0.001 |
PEC index | > 20.0 | 98.33% | 96.67% | 0.977 0.940–0.996 | < 0.001 | > 20.0 | 97.10% | 96.60% | 0.970 0.934–1.0 | < 0.001 |