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. 2021 Mar 19;297:198398. doi: 10.1016/j.virusres.2021.198398

Table 1.

Primary RT-PCR results in the APX assay, and comparison with the DPXQ assay.

No. of samples (origins/collection date)a Allplex 2019-nCov Assay Kit
DiaPlexQ Novel 2019-nCoV Detection Kit
E gene
RdRp gene
N gene
ICc
Result Result
Result Ct Result Ct Result Ct Result Ct
#1 (US, Apr 2020) Positive 32.15 Positive 33.89 Positive 36.45 Positive 24.47 Positive Positive
#2 (US, Apr 2020) Positive 17.1 Positive 18.18 Positive 20.38 Negative 28.96 Positive Positive
#3 (US, Apr 2020) Positive 24.53 Positive 25.9 Positive 27.2 Positive 25.24 Positive Positive
#4 (FI, Apr 2020) Positive 18.55 Positive 19.97 Positive 21.99 Positive 22.02 Positive Positive
#5 (FI, Apr 2020) Positive 28.94 Positive 31.88 Positive 32.78 Positive 23.38 Positive Positive
#6 (FI, Apr 2020) Positive 26.36 Positive 27.90 Positive 29.18 Positive 23.67 Positive Positive
#7 (KR, Mar 2020) Positive 25.25 Positive 27.35 Positive 27.84 Positive 23.30 Positive Positive
#8 (KR, Mar 2020) Positive 30.94 Positive 31.76 Positive 35.54 Positive 25.09 Positive Positive
#9 (KR, Mar 2020) Positive 13.11 Positive 13.63 Positive 15.99 Negative 32.57 Positive Positive
#10 (KR, Mar 2020) Positive 27.0 Positive 28.33 Positive 29.37 Positive 25.25 Positive Positive
#11 (KR, Mar 2020) Positive 15.89 Positive 17.49 Positive 19.91 Positive 32.83 Positive Positive
#12 (US, Apr 2020) Positive 29.51 Positive 30.46 Positive 30.95 Positive 26.3 Positive Positive
#13 (US, Apr 2020) Positive 11.58 Positive 12.94 Negative Positive 38.85 Positiveb Positive
#14 (US, Apr 2020) Positive 9.55 Positive 11.47 Negative Negative Positiveb Positive
#15 (US, Apr 2020) Positive 13.46 Positive 15.55 Negative Negative Positiveb Positive
#16 (US, Apr 2020) Positive 13.31 Positive 15.36 Negative Positive 39.21 Positiveb Positive
#17 (US, Apr 2020) Positive 20.03 Positive 21.31 Negative Positive 24.00 Positiveb Positive
#18 (US, Apr 2020) Positive 12.23 Positive 14.37 Negative Negative Positiveb Positive
a

US, FI, and KR indicate North America, Finland, and Korea, respectively.

b

According to the manufacturer’s recommendations, these profiles were considered positive.

c

Internal control.