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The diagnostic efficacy of serum PCT levels combined with WBC/PLT ratios for SBP in cirrhotic ascites patients
| Group | PCT | PCT + WBC/PLT | ||
|---|---|---|---|---|
| ≥2 ng/mL | <2 ng/mL | Positive | Negative | |
| SBP (n = 61) | 42 | 19 | 51 | 10 |
| Non-infected (n = 35) | 2 | 33 | 2 | 33 |
| Sensitivity (%) | 68.8 | 83.6 | ||
| Specificity (%) | 94.2 | 94.2 | ||
| Positive predictive value (PPV, %) | 95.4 | 96.2 | ||
| Negative predictive value (NPV, %) | 63.5 | 76.7 | ||
