Table 2.
Sensitivity and specificity of the PCR kits.
| Company | Target gene | Sensitivity1 | Specificity |
|---|---|---|---|
| Altona Diagnostics | E | 3.3 | SARS-1 |
| S | 3.3 | ND | |
| Tibmolbiol | E | 25 | SARS-1 |
| RdRp | 100 | ND | |
| ThermoFisher | ORF1ab | 33 | ND |
| S | 33 | ND | |
| N | 3.3 | ND | |
| DAAN Gene | ORF1ab | 3.3 | ND |
| N | NA2, 3 | NA2, 3 | |
| Kogene Biotech | ORF1ab | 100 | ND |
| E | 33 | MERS, SARS-1 | |
| Liferiver | ORF1ab | 33 | ND |
| N | 3.3 | SARS-1 | |
| Maccura Biotechnology | ORF1ab | 3.3 | ND |
| E | 3.3 | SARS-1 | |
| N | 3.3 | ND | |
| R-Biopharm | E | 50 | ND |
| Sansure Biotech | ORF1ab | 3.3 | ND |
| N | 3.3 | SARS-1 | |
| Sentinel Diagnostics B (RUO) | E | 33 | SARS-1 |
| RdRp | 330 | SARS-1 | |
| N | 330 | ND | |
| Sentinel Diagnostics B (CEIVD) | E | 3.3 | SARS-1 |
| RdRp | 330 | SARS-1 | |
| N | 330 | SARS-1 | |
| Sentinel Diagnostics HK (RUO) | ORF1ab | 330 | SARS-1 |
| N | 33 | SARS-1 | |
| Sentinel Diagnostics HK (CE-IVD) | ORF1ab | 33 | SARS-1 |
| N | 33 | SARS-1 | |
| XABT | ORF1ab | 3.3 | ND |
| E | 3.3 | ND | |
| N | 3.3 | ND | |
| Hecin Scientific | RdRp | 25 | ND |
| N | 25 | ND | |
| Reference assay | E | 3.3 | SARS-1 |
| RdRp | 25 | SARS-1 |
ND: Not detected; NA: not available.
Expressed as lowest amount of RNA copies detectable in 3/3 replicates.
For N-gene assay only background signal was observed.
Kit was defrosted on arrival.