Table 1.

SARS-CoV-2 results from nasopharyngeal samples obtained from 10 negative and 10 positive patients run on 4 testing platforms.

Samples	CDC SARS-CoV-2, Ct		Simplexa COVID-19 Direct, Ct		Xpert® Xpress SARS-CoV-2, Ct		cobas® SARS-CoV-2, Ct
	N1	N2	S	ORF1ab	E	N2	ORF1	E
1	26.1	28.3	22.8	24.2	23.7	25.6	24.1	24.8
2	30.2	32.8	27.9	29.7	27.4	29.9	27.4	28.5
3	18.0	18.9	9.9	10.6	13.1	15.5	13.2	13.3
4	25.0	26.6	19.1	19.9	21.5	23.9	22.1	22.1
5	20.8	22.6	17.0	18.0	18.3	20.6	18.2	18.3
6	22.7	22.8	19.5	20.5	21.2	23.2	21.5	21.7
7	27.3	27.2	21.2	21.4	24.0	26.6	24.7	25.0
8	22.8	24.0	20.6	21.4	24.1	26.4	23.4	23.8
9	22.0	22.2	17.2	17.8	21.0	23.2	20.0	20.6
10	32.4	31.9	26.7	27.2	30.0	32.6	28.8	30.2
11	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
12	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
13	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
14	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
15	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
16	0.0	0.0	0.0	0.0	0.0	0.0	0.0	37.5
17	0.0	0.0	0.0	0.0	0.0	0.0	0.0	36.2
18	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
19	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
20	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0
Average positive samples Ct	24.7	25.7	20.2	21.1	22.4	24.8	22.3	22.8