Table 3 Binax-CoV2 performance characteristics in the emergency department setting
Emergency Department Setting | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Binax-CoV2 Result | RT-PCR (+) Patients | RT-PCR (-) Patients | Prevalence | Sensitivity | Specificity | PPV | NPV | Total | |
All patients | Positive | 9 | 1 | 0.19 | 0.53 | 0.99 | 0.90 | 0.90 | 10 |
Negative | 8 | 70 | – | – | – | – | – | 78 | |
Total | 17 | 71 | 88 | ||||||
Symptomatic patients | Positive | 3 | 0 | 0.33 | 0.60 | 1.00 | 1.00 | 0.83 | 3 |
Negative | 2 | 10 | – | – | – | – | – | 12 | |
Total | 5 | 10 | 15 | ||||||
Asymptomatic patients | Positive | 6 | 0 | 0.22 | 0.38 | 1.00 | 1.00 | 0.85 | 6 |
Negative | 10 | 57 | – | – | – | – | – | 67 | |
Total | 16 | 57 | 73 | ||||||
ED Event 1 | Positive | 6 | 1 | 0.29 | 0.43 | 0.97 | 0.86 | 0.80 | 7 |
Negative | 8 | 33 | – | – | – | – | – | 41 | |
Total | 14 | 34 | 48 | ||||||
ED Event 1a | Positive | 5 | 1 | 0.18 | 0.71 | 0.97 | 0.83 | 0.94 | 6 |
Negative | 2 | 31 | – | – | – | – | – | 33 | |
Total | 7 | 32 | 39 | ||||||