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Table 2 Study design

From: Insights, attitudes, and perceptions about asthma and its treatment: a multinational survey of patients from Europe and Canada

Country Households screened, n Asthmatics interviewed, n Female, % Mean age, years Mean age at Diagnosis, years
Canada 7405 401 67 45 22
Germany 22,293 402 67 42 27
Italy 13,620 400 69 50 25
Spain 24,404 400 65 44 25
United Kingdom 7613 400 64 51 25
TOTAL 75,335 2003 66 47 25