Table 2 Binax-CoV2 performance characteristics in the community setting
Community Department Setting | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Binax-CoV2 Result | RT-PCR (+) Patients | RT-PCR (-) Patients | Prevalence | Sensitivity (95% CI) | Specificity (95% CI) | PPV | NPV | Total | |
All patients | Positive | 30 | 1 | 0.14 | 0.71 (0.55–0.84) | 0.996 (0.98–1.00) | 0.97 (0.83–1.00) | 0.96 (0.92–0.98) | 31 |
Negative | 12 | 259 | – | – | – | – | – | 271 | |
Total | 42 | 260 | 302 | ||||||
Symptomatic patients | Positive | 22 | 1 | 0.33 | 0.79 (0.59–0.92) | 0.98 (0.90–1.00) | 0.96 (0.78–1.00) | 0.90 (0.80–0.96) | 23 |
Negative | 6 | 55 | – | – | – | – | – | 61 | |
Total | 28 | 56 | 84 | ||||||
Asymptomatic patients | Positive | 8 | 0 | 0.06 | 0.57 (0.29–0.82) | 1.00 (0.98–1.00) | 1.00 (0.63–1.00) | 0.97 (0.94–0.99) | 8 |
Negative | 6 | 204 | – | – | – | – | – | 210 | |
Total | 14 | 204 | 218 | ||||||