Table 3.
Diagnostic performance of ddPCR compared to Amplicor CT/NGa
| Result by ddPCR | No. with each result by Amplicor |
||
|---|---|---|---|
| Positive | Negative | Total | |
| Positive | 189 | 11 | 200 |
| Negative | 69 | 1,208 | 1,277 |
| Total | 258 | 1,219 | 1,477 |
a
ddPCR-positive samples defined by a ζ of ≥0.95. Sensitivity was 73.3% (95% CI, 67.9 to 78.7%). Specificity was 99.1% (95% CI, 98.6 to 99.6%). PPV was 94.5% (95% CI, 91.3 to 97.7%). NPV was 94.6% (95% CI, 93.4 to 95.8%). LR+ was 81.45 (95% CI, 45 to 147). LR− was 0.27 (95% CI, 0.22 to 0.33).