Table 5.
The specificity and sensitivity of test strip.
| Study group | No.test | Antigen Strip | RNA test | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Positive | Nagetive | Sensitivity (%) | Specificity (%) | Positive | Nagetive | Sensitivity (%) | Specificity (%) | |||
| Healthy controls | 300 | 0 | 300 | – | 100 | – | – | – | – | |
| Other respiratory disease | 443 | 12 | 431 | – | 97.29 | 0 | 443 | – | 100.00 | |
| SARS-CoV-2 Samples | 247 | 100 | 147 | 40.49 | – | 95 | 152 | 38.46 | – | |
| Progress stage | 137 | 92 | 45 | 67.15 | – | 95 | 42 | 69.34 | – | |
| Cured stage | 110 | 8 | 102 | 7.02 | – | 0 | 110 | 0 | – | |
| Total (without healthy controls) | 690 | 112 | 578 | – | – | 95 | 595 | – | – | |
| No. agreement with RNA test | – | 79 | 562 | – | – | – | – | – | – | |
| Percentage agreement with RNA test | – | 83.2%* | 94.5%** | – | – | – | – | – | – | |
*Positive Percentage Agreement, **Negative Percentage Agreement.