Table 3 Pooled sensitivity and specificity data based on manufacturer of LFD
Type of LFD test | Sample size | Positive sample size | LFD detected | Negative sample size | Number of negatives detected by LFD | Sensitivity % | Sensitivity 95% CI Low | Sensitivity 95% CI High | Specificity % | Specificity 95% CI Low | Specificity 95% CI High |
|---|---|---|---|---|---|---|---|---|---|---|---|
Panbio Abbott | 13,221 | 2566 | 2012 | 10,745 | 10,703 | 78.41 | 76.78% | 79.96% | 99.61 | 99.47% | 99.71% |
Innova | 6954 | 197 | 155 | 6757 | 6735 | 78.68 | 72.44% | 83.82% | 99.67 | 99.51% | 99.78% |
STANDARD Q | 4402 | 909 | 744 | 3493 | 3460 | 81.85 | 79.21% | 84.22% | 99.06 | 98.68% | 99.33% |
CORIS | 1199 | 167 | 64 | 1032 | 1011 | 38.32 | 31.29% | 45.88% | 97.97 | 96.91% | 98.67% |
Bioeasy | 856 | 97 | 87 | 759 | 708 | 89.69 | 82.05% | 94.30% | 93.28 | 91.27% | 94.85% |
COVID-VIRO® | 572 | 259 | 233 | 313 | 313 | 89.96 | 85.70% | 93.06% | 100.00 | 98.79% | 100.00% |
BD Veritor | 352 | 123 | 122 | 334 | 334 | 99.19 | 95.54% | 99.86% | 100.00 | 98.86% | 100.00% |
BIOCREDIT | 310 | 188 | 81 | 122 | 122 | 43.09 | 36.21% | 50.23% | 100.00 | 96.95% | 100.00% |