Figure 1From: The prevalence and identity of Chlamydia -specific IgE in children with asthma and other chronic respiratory symptomsTotal Serum IgE levels generally increased with age. Assessment of total serum IgE levels showed a general increase with age upto age 15.0 years old (40 IU/ml to 250 IU/ml). The levels then decreased to 100IU/ml. Dark lines represent the average IgE level for each agerange.Back to article page