Fig. 4From: A study to investigate the prevalence of headache disorders and migraine among people registered in a health insurance association in JapanPrevalence* of migraine stratified by sex and age†. * Number and percentage with the number of same age and sex category was used as a denominator. **Number of migraine overall in male is 272 and female is 419. †Refer the summary of number of patients for each sex in Table 1Back to article page