Table 3.
Variables | Adjusted HR * (95% CI) |
---|---|
Migraine | 4.91 (3.62–6.67) # |
Hypertension | 1.55 (1.03–2.34) # |
Charlson Comorbidity Index | 1.28 (1.05–1.56) # |
95% CI, 95% confidence interval; HR, hazard ratio. * Calculated by stepwise Cox proportional hazards regression method. # p < 0.05.