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Contingency table of the positive-negative results applying the cut-off point of 5.37 log10 GC/g estimated through ROC curve analysis for qPCR quantifications.
|
|
|||
|---|---|---|---|
| Culture | Total | ||
|
| |||
| qPCR | Positive | Negative | |
|
| |||
| Positive | 13 | 10 | 23 |
| Negative | 12 | 55 | 67 |
|
| |||
| Total | 25 | 65 | |
Parameters of qPCR for diagnosis of positive samples (using culture as gold standard): 52% sensitivity, 85% specificity, 57% positive predictive value, and 82% negative predictive value.
