Table 3.

Discordance in SARS-CoV-2 detection among ID NOW, rRT-PCR and secondary rRT-PCR testing from used swabs.

Initial rRT-PCR testinga		ID NOW COVID-19 Result	Secondary rRT-PCR testinga
E gene Ct	UTR Ct		E gene Ct	UTR Ct
36.0	nd	Negative	nd	nd
35.7	nd	Negative	nd	nd
n/d	12.8	Negative	nd	nd
31.6	32.8	Negative	nd	28.4
25.7	27.7	Negative	nd	32.4
36.0	nd	Negative	36.0	nd

^and indicates the target was not detected by rRT-PCR.