Table 2. Results of Laboratory Investigations.
| Investigations at Study Entrya | No. (%) |
|---|---|
| Abnormal thyroid function tests | 0 |
| Positive antithyroid peroxidase antibodies (>9 IU/mL) | 4 (3.5) |
| Positive BAT result (CD63 expression >1.8%) | 59 (57.0) |
| Basophiles absent | 73 (60.3) |
| Positive stool examination for parasites | 1 (0.7) |
| CRP level (>5 mg/L) | 10 (8.2) |
| IgE (>240 μg/L) | 49 (39.8) |
| Eosinophil level (>4%) | 8 (6.1) |
| Tryptase level (>13.5 μg/L) | 0 |
Abbreviations: BAT, basophil activation test ; CRP, C-reactive protein.
SI conversion factors: To convert CRP to nanomoles per liter, multiply by 9.524; to convert IgE to milligrams per liter, multiply by 0.001.
a
Upper limit for normal values is included in parentheses.