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Test characteristics of the LFA compared to the RT-qPCR for the Utrecht study site and the Aruba study site.
| Study site | LFA result | PCR result |
Specificity | Sensitivity | ||
|---|---|---|---|---|---|---|
| Positive (Ct<32) | Positive (Ct ≥32) | Negative | ||||
| Utrecht | Positive | 101 | 0 | 0 | 100% (99.7–100) | Overall: 72.6% (64.5–79.9) Ct<32: 95.2% (89.3–98.5) |
| Negative | 5 | 33 | 1228 | |||
| Aruba | Positive | 48 | 3 | 0 | 100% (97.5–100) | Overall: 81.0% (69.0–89.9) Ct<32: 98.0% (89.2–99.95) |
| Negative | 1 | 11 | 145 | |||
Sensitivity and specificity are reported with 95% CI.
