Table 5.
Sensitivity Performance of the Rapid Test Kits with the Date of Clinical Onset of Symptoms of the Clients, 2020, Addis Ababa, Ethiopia
| Name of Test Kits | No. of Days Since the Onset of COVID-19 Clinical Symptom | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| ≤5 Days | 6–10 Days | 11–15 Days | >15 Days | ||||||
| Test kit A | Pos | 2 | 0 | 10 | 1 | 13 | 1 | 27 | 2 |
| Neg | 23 | 0 | 58 | 0 | 46 | 0 | 17 | 0 | |
| Sensitivity(95% CI) | 8%(1.39–27.5%) | 14.71%(7.6–25.85%) | 22%(12.68–35%) | 61.68%(45.51–75.25%) | |||||
| Test kit B | Pos | 3 | 0 | 10 | 1 | 17 | 2 | 33 | 3 |
| Neg | 36 | 0 | 57 | 0 | 26 | 0 | 12 | 0 | |
| Sensitivity(95% CI) | 12.19%(4.58–27.01% | 14.92%(7.76–26.2%) | 39.53%(25.36–55.54%) | 73.33%(57.66–84.60%) | |||||
| Test kit C | Pos | 6 | 0 | 16 | 1 | 23 | 3 | 26 | 2 |
| Neg | 40 | 0 | 51 | 0 | 27 | 0 | 5 | 0 | |
| Sensitivity(95% CI) | 13.04%(5.42–26.95%) | 23.88%(14.66–36.13%) | 46%(32.06–60.54%) | 83.87%(65.52–95.90%) | |||||