Laboratory Medicine and Quality Assurance

Table. 1.

Cycle threshold values of coronavirus disease 2019 weakly positive 10 samples

COVID-19 result Sample ID PowerCheck LabGun


ORF1ab E gene IC RdRp N gene IC
Positive 101 30.36 32.43 30.77 22.88 25.02 19.76
Positive 65 31.14 32.85 30.22 24.00 26.74 19.79
Positive 38 31.24 32.56 32.06 23.35 25.64 21.12
Positive 3 32.31 33.91 31.36 24.66 26.07 20.42
Positive 23 34.31 35.66 31.87 25.25 27.48 21.55
Positive 35 32.09 32.92 27.26 24.10 26.21 16.78
Positive 45 32.06 34.28 27.03 24.22 26.39 16.77
Positive 26 32.32 35.09 29.73 25.54 29.57 19.02
Positive 73 31.37 34.15 35.09 25.25 27.04 24.02
Positive 103 33.11 36.28 33.99 26.51 29.78 23.09

The instruments and reagents used were as follows: PowerCheck (KogeneBiotech, Seoul, Korea) and LabGun (LabGenomics, Seongnam, Korea).

Abbreviations: ORF1ab, open reading frame 1ab; E gene, envelope gene; IC, internal control; RdRp, RNA-dependent RNA polymerase; N gene, nucleocapsid gene.

Lab Med Qual Assur 2021;43:214~216 https://doi.org/10.15263/jlmqa.2021.43.4.214
© Lab Med Qual Assur