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Table 3 Epidemiological studies of cluster headache

From: Cluster headache

Country Diagnosis confirmed Age Sex Population sample Affected Prevalence per 100 000
Sweden [10] Yes 18 Men 9803 9 92
San Marino [3] Yes All Both 21792 14 69
USA [6] No All Both 6476 26 401
San Marino [7] Yes All Both 26628 15 56
Norway [5] Yes 18–65 Both 1838 7 381
Sweden [11] Yes All Both 31750 48 151
Italy [8] Yes 18–65 Both 6500 13 200
Italy [9] Yes Over 14 Both 10071 21 279
Germany [4] Yes 18–65 Both 3336 4 119
Germany [12] Yes 25–75 Both 2291 2 150