Table 1 Patient characteristics across study cohorts
CPRD Migraine Cohort (N = 81,190) | CPRD Migraine Preventive Treatment User Cohort (N = 34,448) | CPRD Migraine Preventive Treatment User Cohort with ≥ 3 oral migraine preventive medication class cessations* (N = 2653) | |
|---|---|---|---|
Mean age (years, SD) | 42.5 (15.5) | 45.8 (15.7) | 45.0 (14.6) |
18–65 years > 65 years | 74,051 (91.2) 7139 (8.8) | 30,443 (88.4) 4005 (11.6) | 2410 (90.8) 243 (9.2) |
Gender – female (n, %) | 62,754 (77.3) | 27,226 (79.0) | 2200 (82.9) |
History of referral to neurologist (n, %) | 5715 (7.0) | 3801 (11.0) | 576 (21.7) |