Table 8 Risk factors for preliminary screening
From: Analysis of risk factors for medication-overuse headache relapse: a clinic-based study in China
Indicators | Statistics | P |
|---|---|---|
Medication overuse time | t = 2.124 | 0.037 |
Headache frequency before drug withdrawal | t = 2.140 | 0.035 |
Duration of primary headache | Z = −5.973 | < 0.001 |
Primary headache frequency | t = 2.780 | 0.007 |
Headache frequency after drug withdrawal | t = 11.026 | < 0.001 |
Severity of headache after drug withdrawal | t = 2.348 | 0.024 |
Application time of prevention drug | χ2 = 6.742 | 0.009 |