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Table 2 Proportion of patients with elevated total IgE in serum

From: IgE is associated with exacerbations and lung function decline in COPD

IgE ≥ 100 IU/l in serum

COSYCONET (n = 2280 patients) (%)

WISDOM (n = 2477 patients) (%)

Total population

31.2

34.2

All males

36.6

35.4

Male current smokers

41.1

36.0

Male ex-smokers

34.7

35.0

All females

23.6

28.7

Female current smokers

25.2

30.7

Female ex-smokers

22.7

27.5

  1. Shown are the percentages of patients with elevated total IgE levels in serum (≥ 100 IU/l), in the COSYCONET study (left column) and in the WISDOM study (right column), for the total population and the subgroups according to gender and smoking