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Comparison of PCR results with culture results
| Protocol | Result | No. with culture result
|
Sensitivity | Specificity | Positive predictive value | Negative predictive value | |
|---|---|---|---|---|---|---|---|
| Positive | Negative | ||||||
| PCR | Positive | 30 | 6 | 0.71 | |||
| Amplicor (n = 573) | Negative | 12 | 525 | 0.99 | 0.83 | 0.93 | |
| PCR | Positive | 4 | 3 | 0.67 | |||
| Silica membrane (n = 75) | Negative | 2 | 66 | 0.96 | 0.57 | 0.97 | |
