Table 2 MOH characteristics before drug withdrawal
From: Analysis of risk factors for medication-overuse headache relapse: a clinic-based study in China
Indicators | Case group | Control group | Statistic | P |
|---|---|---|---|---|
Medication overuse over time(year) | 4.04 ± 1.126 | 3.37 ± 1.731 | t = 2.124 | 0.037 |
Headache frequency (days/month) | 24.07 ± 4.811 | 21.76 ± 4.573 | t = 2.140 | 0.035 |
The degree of headache (VAS) | 6 ~ 9 (8) | 6 ~ 9 (8) | Z = −1.528 | 0.127 |
Duration of each attack (h) | 10.15 ± 6.707 | 7.90 ± 5.473 | t = 1.646 | 0.103 |