Resource utilisation amongst chronic migraineurs by country
| Resources used | n (%) | ||||||
|---|---|---|---|---|---|---|---|
| USA (n=205) | Canada (n=50) | France (n=57) | UK (n=50) | Germany (n=81) | Australia (n=50) | p Value* | |
| Visited a provider for HA in the last 3 months | 76 (37) | 23 (46) | 31 (54) | 26 (52) | 37 (46) | 32 (64) | 0.009 |
| Have a typical HA care provider† | 177 (86) | 44 (88) | 52 (91) | 42 (84) | 73 (90) | 48 (96) | 0.379 |
| Have visited the ED for HA | 87 (42) | 26 (52) | 9 (16) | 7 (14) | 13 (16) | 19 (38) | <0.001 |
| Have been admitted to hospital for HA | 28 (14) | 11 (22) | 10 (17) | 7 (14) | 11 (14) | 12 (24) | 0.398 |
| Number of migraine preventive agents ever tried | |||||||
| 0 | 84 (41) | 25 (50) | 20 (35) | 13 (26) | 29 (36) | 12 (24) | 0.122 |
| 1 | 29 (14) | 8 (16) | 11 (19) | 8 (16) | 15 (18) | 12 (24) | |
| 2 | 25 (12) | 2 (4) | 5 (9) | 12 (24) | 11 (14) | 12 (24) | |
| 3 | 14 (7) | 2 (4) | 6 (10) | 3 (6) | 9 (11) | 2 (4) | |
| >3 | 53 (26) | 13 (26) | 15 (26) | 14 (28) | 17 (21) | 12 (24) | |
| Number of migraine preventive agents currently used | |||||||
| 0 | 127 (62) | 30 (60) | 35 (61) | 26 (52) | 53 (65) | 24 (48) | 0.387 |
| 1 | 57 (28) | 17 (34) | 16 (28) | 15 (30) | 23 (28) | 21 (42) | |
| >1 | 21 (10) | 3 (6) | 6 (10) | 9 (18) | 5 (6) | 5 (10) | |
| Type of migraine preventive agent(s) currently used‡ | |||||||
| Antidepressant | 59 (29) | 12 (24) | 15 (26) | 18 (36) | 20 (25) | 17 (34) | N/A |
| Antiepileptic | 26 (13) | 7 (14) | 5 (9) | 5 (10) | 6 (7) | 10 (20) | |
| β Blocker | 10 (5) | 2 (4) | 10 (17) | 9 (18) | 7 (9) | 3 (6) | |
| Calcium channel blocker | 5 (2) | 0 (0) | 1 (2) | 2 (4) | 1 (1) | 1 (2) | |
| Number of migraine acute agents ever tried | |||||||
| ≤3 | 32 (16) | 9 (18) | 5 (9) | 9 (18) | 13 (16) | 3 (6) | 0.326 |
| >3 | 173 (84) | 41 (82) | 52 (91) | 41 (82) | 68 (84) | 47 (94) | |
| Type of migraine acute agent(s) currently used‡ | |||||||
| Prescription | 108 (53) | 35 (70) | 39 (68) | 34 (68) | 58 (72) | 38 (76) | N/A |
| OTC | 170 (83) | 38 (76) | 43 (75) | 35 (70) | 50 (62) | 44 (88) | |
*p Values from χ2 tests.
†Subjects who report that they have a healthcare provider who they typically visit for headache-related care.
‡Subjects may be using more than one agent.
ED, emergency department; HA, headache; N/A, not available (some respondents taking more than one agent); OTC, over the counter.