From: Sensitivity and specificity of two WHO approved SARS-CoV2 antigen assays in detecting patients with SARS-CoV2 infection
Avg Ct values
Seegene
TAQPATH
SD-Biosensor
< 25
21/80 = 26.25%
15/63 = 23.81%
10/24 = 41.67%
26–30
41/52 = 78.85%
22/62 = 35.48%
12/17 = 70.59%
31–38
58/70 = 82.86%
6/12 = 50%
18/39 = 46.15%