Table 1.

Gender differences in 57 swimmers with physician-diagnosed asthma out of 300 elite competitive swimmers.

Physician-diagnosed asthma	Women 30	Men 27	P value
Age (mean SD), years	17 ± 3	19 ± 3	<0.001*
Age of the asthma diagnosis (mean SD), years	13 ± 3	9 ± 6	<0.001*
Allergy	20/30	21/27	0.462
Reported respiratory symptoms	29/30	20/27	0.014*
Family history of asthma	5/30	14/27	0.005*
Family history of allergy	16/30	17/27	0.462

*Significant difference.