Table 1.
Characteristics of the BECOME study population
| Part 1 (N = 20,837) | |
| Characteristics | |
| No PPTF | 7880 (37.8) |
| ≥ 1 PPTF | 12,957 (62.2) |
| < 4 MMD | 5358 (25.7) |
| ≥ 4 MMD | 15,479 (74.3) |
| Medication overuse | 3706 (17.8) |
| Medication overuse headache | 2464 (11.8) |
| New patient to the center | 5621 (27.0) |
| Follow-up patient to the center | 15,216 (73.0) |
| Outpatient visits | 19,700 (94.5) |
| Inpatient visits | 650 (3.1) |
| Unclassified visits | 487 (2.3) |
| Part 2 (N = 2419) | |
| Demographics | |
| Age, mean (SD), years | 43.0 (11.6) |
| Women | 2103 (86.9) |
| Married | 1276 (52.7) |
| Employed (full time or part time) | 1480 (61.2) |
| Living independently (alone/with spouse/others) | 1991 (82.3) |
| University education | 949 (39.2) |
| Clinical characteristics | |
| Migraine duration | |
| < 5 years | 213 (8.8) |
| 6 to 10 years | 287 (11.9) |
| 11 to 15 years | 274 (11.3) |
| > 15 years | 1641 (67.8) |
| Time since experiencing the first migraine headache, mean (SD), years | 23.5 (13.2) |
| Time since diagnosis of migraine, mean (SD), years | 15.7 (11.9) |
| Type of migrainea | |
| Migraine without aura | 1291 (53.4) |
| Migraine with aura | 290 (12.0) |
| Chronic migraine | 731 (30.2) |
| Complications of migraineb | 9 (0.4) |
| Probable migraine | 2 (0.1) |
| Episodic syndromes that may be associated with migraine | 6 (0.2) |
| Medication overuse | 627 (25.9) |
| Medication overuse headache | 571 (23.6) |
| New patient to the center | 555 (22.9) |
| Follow-up patient to the center | 1863 (77.0) |
| Inpatient | 103 (4.3) |
| Outpatient with ED visit | 416 (17.2) |
| Outpatient without ED visit | 1899 (78.5) |
| Patients with presence of comorbidities | 1479 (61.1) |
| Number of co-morbidities per patient, mean (SD) | 1.3 (1.6) |
| Most common comorbidities (≥ 10%) | |
| Psychiatric disorders | 532 (22.0) |
| Musculoskeletal and connective tissue disorders | 322 (13.3) |
| Gastrointestinal disorders | 250 (10.3) |
| Vascular disorders | 249 (10.3) |
| Endocrine disorders | 246 (10.2) |
All values are n (%), unless indicated
ED emergency department, ICHD International Classification of Headache Disorders, MMD monthly migraine days, N total number of patients in part 1 or part 2, PPTF prior preventive treatment failure, SD standard deviation
aDiagnosis according to ICHD-3 code
bMigraine complications that were assessed were status migrainosus, persistent aura without infarction, migrainous infarction, and migraine aura-triggered seizure