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Calculation of sensitivity, specificity, and positive and negative predictive values. Calculation of sensitivity, specificity, and positive and negative predictive values is based on a dataset of n = 103. The gold standard is defined according to the criteria outlined in Definition of Diagnosed IE (Section 2).
| Diagnosis | |||||
|---|---|---|---|---|---|
| + | − | ||||
| PCR | + | 30 | 3 | 90.9% | Positive predictive value |
| − | 60 | 10 | 14.3% | Negative predictive value | |
| 33.3% | 76.9% | ||||
| Sensitivity | Specificity | ||||
