Table 4 The diagnosis values and threshold of plasma fibrinogen and ESR, CRP and serum WBC count for 156 cases.
From: Plasma fibrinogen in the diagnosis of periprosthetic joint infection
Biomarks | AUC | 95%CI | Youden Index | Threshold | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|---|---|---|---|
Fibrinogen | 0.916 | 0.869–0.964 | 0.759 | 4.20 (g/L) | 0.860 | 0.900 | 0.831 | 0.908 |
ESR | 0.822 | 0.752–0.893 | 0.561 | 36.50 (mm/h) | 0.702 | 0.859 | 0.741 | 0.833 |
CRP | 0.901 | 0.861–0.960 | 0.744 | 12.51 (mg/L) | 0.912 | 0.827 | 0.870 | 0.902 |
WBC | 0.647 | 0.553–0.743 | 0.280 | 7.42 (109/L) | 0.788 | 0.492 | 0.571 | 0.729 |
