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Performance of LCx assay at various cutoff values when testing respiratory specimens
| Cutoff value | Sensitivity (% [95% confidence interval]) | Specificity (% [95% confidence interval]) |
|---|---|---|
| 0.2 | 78.6 (70.4–85.1) | 99.4 (98.9–99.7) |
| 0.5 | 75.6 (67.1–82.5) | 99.5 (99.0–99.7) |
| 0.75 | 72.5 (63.9–79.8) | 99.8 (99.5–99.9) |
| 1.0 | 70.2 (61.5–77.7) | 99.9 (99.7–100) |
