Table 4 True positive (TP), false positive (FP), true negative (TN), and false negative (FN) results.
Basophil activation test | Presence of cow milk allergy | |
|---|---|---|
Yes | No | |
Positive | TP (n = 12) | FP(n = 0) |
Negative | FN (n = 6) | TN (n = 30) |
Together | TP + FN (n = 18) | FP + TN (n = 30) |