Table 1.

Positivity rate of SARS‐CoV‐2 antigen by viral loads in nasopharyngeal swab specimens

Viral load (n) (copies/reaction)		The VITROS® SARS‐CoV‐2 Antigen Test		The LUMIPULSE® SASR‐CoV‐2 Ag Test		p Value
		Positive samples	Detection rate (%)	Positive samples	Detection rate (%)
Total	n = 49	n = 37	75.5	n = 43	87.8	0.12
≥50	n = 40	n = 34	85.0	n = 39	97.5	0.05
≥250	n = 31	n = 30	96.8	n = 31	100	0.32
≥500	n = 29	n = 29	100	n = 29	100	NS

Abbreviation: NS, not significant.