Table 2.
Pooled sensitivity and specificity among subgroups of studies.
Subgroups | No. of study | Total Sample Size | Polled Sensitivity (95% CI) | Polled Specificity (95% CI) |
---|---|---|---|---|
Sample Types | ||||
nasopharyngeal | 93 | 76,945 | 0.76(0.72–0.79) | 1.00(1.00–1.00) |
nasal | 26 | 64,125 | 0.79(0.71–0.85) | 1.00(0.99–1.00) |
other | 16 | 22,372 | 0.76(0.66–0.84) | 1.00(0.99–1.00) |
RATt Kit | ||||
COVID‐VIRO® analysis | 4 | 2536 | 0.90(0.70–0.97) | 1.00(1.00–1.00) |
Lumipulse® G SARS-CoV-2 Ag assay | 10 | 8895 | 0.86(0.79–0.91) | 0.98(0.96–0.99) |
BIOSYNEX Ag-RDT | 3 | 1382 | 0.85(0.77–0.90) | 0.99(0.98–1.00) |
LumiraDx SARS-CoV-2 Ag Test | 7 | 4115 | 0.83(0.76–0.88) | 0.97(0.94–0.99) |
QuickNavi™-COVID19 Ag | 3 | 3982 | 0.81(0.76–0.85) | 1.00(1.00–1.00) |
Panbio COVID-19 Ag Rapid Test Device | 25 | 30,332 | 0.73(0.67–0.79) | 1.00(1.00–1.00) |
LIAISON® SARS-CoV-2 Ag assay | 7 | 3532 | 0.72(0.60–0.82) | 1.00(0.97–1.00) |
Roche SARS-CoV-2 antigen assay | 9 | 10,648 | 0.71(0.62–0.78) | 0.99(0.98–1.00) |
STANDARD Q COVID-19 Ag Test | 17 | 20,765 | 0.70(0.59–0.79) | 1.00(0.99–1.00) |
BinaxNOW COVID-19 Ag Card test kit | 10 | 23,344 | 0.65(0.50–0.77) | 1.00(1.00–1.00) |
Elecsys® SARS-CoV-2 Antigen assay | 6 | 4750 | 0.65(0.44–0.81) | 1.00(0.98–1.00) |
Coris bioconcept COVID-19 ag respi-strip test | 4 | 747 | 0.41(0.23–0.61) | 1.00(0.53–1.00) |
Days after symptom onset | ||||
≤ 3 days | 10 | 870 | 0.91(0.83–0.96) | / |
≤ 7 days | 13 | 1862 | 0.89(0.84–0.93) | / |
≤ 10 days | 13 | 1918 | 0.88(0.83–0.92) | / |
> 10 days | 4 | 72 | 0.36(0.21–0.55) | / |
Ct Values | ||||
< 20 | 15 | 368 | 1.00(0.70–1.00) | / |
20–25 | 11 | 342 | 0.94(0.87–0.97) | / |
25–30 | 23 | 579 | 0.70(0.53–0.84) | / |
> 30 | 24 | 715 | 0.24(0.16–0.33) | / |