TABLE 1.
Device performance using respiratory samples compared to real-time reverse transcriptase PCR results
| Test type | No. of samplesa |
Sensitivity (95% CI) (%)b | Specificity (95% CI) (%) | |||
|---|---|---|---|---|---|---|
| TP | FN | FP | TN | |||
| iHealth | 87 | 33 | 0 | 32 | 72.5 (63.6–80.3) | 100.0 (89.1–100.0) |
| On/Go | 90 | 30 | 0 | 32 | 75.0 (66.3–82.5) | 100.0 (89.1–100.0) |
| BinaxNOW | 84 | 36 | 0 | 32 | 70.0 (61.0–78.0) | 100.0 (89.1–100.0) |
| QuickVue | 98 | 22 | 4 | 28 | 81.7 (73.6–88.1) | 87.5 (71.0–96.5) |
| InBios | 79 | 41 | 0 | 32 | 65.8 (56.6–74.2) | 100.0 (89.1–100.0) |
a
TP, true positives; FN, false negatives; FP, false positives; TN, true negatives.
b
Sensitivity (TP/TP+FN) and specificity (TN/TN+FP) were calculated. The upper and lower bounds for 95% confidence intervals (CIs) are shown.