Table 5. Discordant results of SARS-CoV-2 between the three commercial kits.
| Specimen No. | Interpretations and Ct values of target genes | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| PowerChek | STANDARD M | Allplex | ||||||||
| Interpr. | E | ORF1ab | Interpr. | E | ORF1ab | Interpr. | N | RdRp | S | |
| 6 | P | 33.8 | 37.5 | P | 34.4 | 30.5 | I | - | 34.7 | 32.8 |
| 36 | I | 35.8 | - | P | 34.0 | 33.1 | I | - | 35.3 | 34.0 |
| 65 | I | 36.7 | - | I | 36.4 | 35.1 | P | 35.2 | 35.7 | 36.0 |
| 66 | I | 38.3 | 35.1 | N | - | 36.4 | P | 34.9 | 31.7 | 32.3 |
| 67 | P | 36.0 | 37.6 | I | - | 33.5 | P | 35.7 | 34.8 | 34.9 |
| 72 | I | - | 37.2 | P | 35.3 | 33.4 | P | 34.7 | 36.8 | 36.0 |
| 75 | P | 36.8 | 36.7 | I | - | 33.1 | I | 35.2 | 36.2 | - |
| 80 | N | - | - | P | 33.9 | 31.0 | P | 34.1 | 32.5 | 31.4 |
| 94 | I | 35.1 | 38.1 | P | 33.3 | 32.6 | P | 33.4 | 33.6 | 32.5 |
| 97 | N | 38.7 | 38.3 | P | 34.8 | 34.7 | I | - | 35.4 | 36.1 |
All specimens were derived from coronavirus disease 2019 confirmed cases.
SARS-CoV-2 = severe acute respiratory syndrome-coronavirus-2, Ct = cycle threshold, Interpr. = interpretation, P = positive, I = inconclusive, N = negative.