Skin Prick Test
Skin prick tests(SPT) were performed all study group. It was performed
on the volar aspect of the forearm. Common inhaled allergens(house dust
mites, cockroach, animal danders, fungi and mixed grass and tree
pollens) were allergens. All SPTs were performed using commercial
extracts (Laboratoire Stallergenes, France). Temoline was used as
negative control and histamine(10 mg/ml) as positive control. Reaction
was evaluated 15-20 minutes after allergens were applied. Test result
was defined as positive if the wheal diameter of test was at least 3 mm
greater than that of the negative control.16