Table 1 Sensitivity, specificity, positive and negative predictive values of acute phase reactans for predicting FMF attack
From: Can serum amyloid a level be used to support the Familial Mediterranean Fever diagnosis?
| Â | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|
SAA | 96% | 28% | 37% | 95% |
ESR | 64% | 88% | 71% | 84% |
CRP | 83% | 85% | 72% | 92% |
Fibrinogen | 58% | 82% | 60% | 81% |
WBC | 45% | 81% | 51% | 76% |
Platelets | 25% | 88% | 50% | 72% |