*Determined for 209 patients. Due to the upper ImmunoCAP cutoff for total IgE, values >5000 kU/L were counted as 5000 for the calculation of median. **Determined for 209 patients. Due to the upper ImmunoCAP cutoff for specific IgE, values >100 kUA/L were counted as 100 for the calculation of median. ***Positive was considered any wheel diameter of or larger than 3 mm after subtraction of negative control.