Table 2.
Sensitivity and specificity of the BinaxNOW® G6PD test*
| Heparinized whole blood (5 minutes) | EDTA whole blood (7 minutes) | ||||
|---|---|---|---|---|---|
| BinaxNOW® | G6PD (Trinity Assay) | BinaxNOW® | G6PD (Trinity Assay) | ||
| ≤ 4 U/g hemoglobin | > 4.0 U/g hemoglobin | ≤ 4 U/g hemoglobin | > 4.0 U/g hemoglobin | ||
| Deficient | 49 | 4 | Deficient | 49 | 5 |
| Normal | 1 | 192 | Normal | 1 | 191 |
| Sensitivity = 0.98 | Sensitivity = 0.98 | ||||
| Specificity = 0.98 | Specificity = 0.97 | ||||
| PPV = 0.72 | NPV = 1.00 | PPV = 0.65 | NPV = 1.00 | ||
*
G6PD = glucose-6-phosphate dehydrogenase; PPV = positive predictive value; NPV = negative predictive value.