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. 2021 Mar 18;70(3):001301. doi: 10.1099/jmm.0.001301

Table 3.

Heatmap of CT values obtained from diagnostic kits using heat treated (75 °C 10 min) swab samples (n=5 patient samples)

RealStar*

Ultraplex†

XLT

VIASURE

Sample

S

E

N1

N2

N1

N2

ORF1ab

N

 Positive 1

20.25

18.14

22.66

23.2

25.14

25.58

33.71

32.14

 Positive 2

26.14

23.49

26.63

27.26

29.64

30.1

37.21

35.2

 Positive 3

31.71

29.57

34.26

35.18

>40

38.41

>40

>40

 Negative 1

>40

>40

>40

>40

>40

>40

>40

>40

 Negative 2

>40

>40

>40

>40

>40

>40

>40

>40

graphic file with name jmm-70-301-inf001.jpg

*Clinical RealStar assay was performed using RNA.

†Samples were frozen at −80 °C after heat treatment CT value >40=negative for SARS-CoV-2 RNA.