EcoTest COVID-19 Antigen Saliva Pens: Clinical evaluation
| RT-PCR | Total | |||
| Positive | Negative | |||
| COVID-19 Antigen Saliva Test Kit | Positive | 40 | 2 | 42 |
| Negative | 5 | 137 | 142 | |
| Total | 45 | 139 | 184 | |
Relative sensitivity: 88.9% (76.5%~95.2%)*
Relative specificity: 98.6% (94.9%~99.6%)*
Overall agreement: 96.2% (92.4%~98.1%)*
*95% Confidence Interval