Table 3.
Four-way same-sample cycle threshold (Ct) comparison on LC 480 LDT, Certest, GenePro, and A* Star Fortitude [n = 18].
| LC 480 LDT | GenePro |
Viasure |
A*STAR | |||
|---|---|---|---|---|---|---|
| Specimen # | E gene | E gene | RdRp gene | Orf1ab gene | N gene | Proprietary |
| 29 | 28.2 | 26.1 | 26.7 | 22.6 | 24.1 | 25.9 |
| 30 | 28.2 | 25.2 | 23.7 | 21.3 | 22.3 | 24.9 |
| 31 | 17.6 | 17.5 | 19.0 | 13.3 | 15.8 | 16.3 |
| 32 | 23.2 | 24.4 | 26.1 | 19.8 | 21.4 | 23.0 |
| 33 | 24.7 | ND | ND | 27.3 | 28.4 | 30.7 |
| 34 | 20.4 | 21.1 | 22.6 | 16.5 | 18.8 | 19.9 |
| 35 | 27.0 | 28.7 | 27.9 | 21.9 | 23.2 | 25.3 |
| 36 | 30.0 | ND | ND | 27.2 | 28.1 | 30.5 |
| 37 | 30.0 | ND | ND | 28.7 | 27.4 | 31.6 |
| 38 | 24.0 | 24.6 | 25.7 | 20.4 | 21.1 | 23.7 |
| 39 | 28.0 | 26.3 | 27.9 | 22.5 | 23.0 | 25.2 |
| 40 | 23.7 | 25.0 | 27.0 | 22.9 | 29.0 | 22.4 |
| 41 | 29.8 | 30.0 | 31.1 | 26.6 | 33.0 | 26.3 |
| 42 | 23.0 | 24.8 | 26.9 | 21.5 | 28.0 | 20.8 |
| 43 | 29.5 | 28.2 | 28.1 | 27.0 | 27.3 | 27.3 |
| 44 | 23.4 | 21.5 | 22.5 | 20.1 | 21.3 | 21.3 |
| 45 | 23.8 | ND | 22.4 | ND | ND | ND |
| 46 | ND | 33.5 | ND | 32.5 | 33.7 | 33.7 |
| Median | 24.2 | 19.9 | 21.5 | 19.5 | 21.1 | 25.6 |
| IQR range | 20.1, 30.1 | 9.2, 24.3 | 16.7, 26.9 | 14.9, 23.7 | 18, 25.1 | 19.1, 27.7 |
ND = Not detected.