Table 6 Comorbidity after drug withdrawal (n)
From: Analysis of risk factors for medication-overuse headache relapse: a clinic-based study in China
Indicators | Case group (n = 27) | Control group (n = 59) | χ 2 | P |
|---|---|---|---|---|
Sleep disorders | 17 (62.96 %) | 27(45.76 %) | 2.193 | 0.139 |
Anxiety | 8 (29.63 %) | 11(18.64 %) | 1.299 | 0.254 |
Depression | 0 (0 %) | 1 (1.70 %) | 1.000* | |
Other symptoms | 7 (25.9 %) | 8 (13.6 %) | 0.221* |