Table 2.
Comparisons of demographics and clinical characteristics between CM with and without MOH
| Without MOH (N = 22) |
With MOH (N = 24) |
P value | |
|---|---|---|---|
| Gender (female/male) | 6 / 22 | 7 / 24 | 0.915a |
| Age (years) | 36.77 ± 16.06 | 40.67 ± 9.33 | 0.660b |
| BMI (kg/m2) | 22.65 ± 2.94 | 22.99 ± 4.09 | 0.974b |
| Migraine history (years) | 13.50 ± 11.76 | 21.54 ± 11.46 | 0.021b |
| CM history (months) | 16.73 ± 19.22 | 59.75 ± 59.96 | < 0.001b |
| Headache frequency (d/mo) | 22.00 ± 6.67 | 26.04 ± 5.31 | 0.033b |
| Pain intensity VAS score | 6.68 ± 1.67 | 7.21 ± 1.28 | 0.306b |
| MIDAS score | 136.41 ± 61.81 | 115.88 ± 71.02 | 0.303c |
| HIT-6 score | 65.68 ± 6.67 | 66.17 ± 8.98 | 0.559b |
| PHQ-9 score | 11.95 ± 5.74 | 9.71 ± 6.59 | 0.226c |
| GAD-7 score | 9.05 ± 5.58 | 6.96 ± 5.72 | 0.222c |
| PSQI score | 10.14 ± 5.15 | 9.74 ± 4.60 | 0.786c |
Note: MOH, medication overuse headache; BMI, Body Mass Index; CM, chronic migraine; d/mo, days per month; MIDAS, Migraine Disability Assessment Scale; HIT-6, Headache Impact Test-6; PHQ-9, Patient Health Questionnaire-9; GAD-7, Generalized Anxiety Disorder-7; PSQI. Pittsburgh Sleep Quality Index; VAS, Visual Analogue Scale.
Values represent mean ± SD or n (% of total)
a Chi-square test
b Mann-Whitney U test
c Independent samples t test