Crude and adjusted hazard ratios of hemorrhagic stroke during the two-year follow-up for the migraine subgroups.

*Variables included in the multiple regression analyses were age, sex, hypertension (with and without medication), diabetes, hyperlipidemia, coronary heart disease, chronic rheumatic heart disease, other heart disease, and the use of anticoagulant medication.†P ‡PAbbreviations: HS, hemorrhagic stroke; MA, migraine with aura; MO, migraine without aura; MU, uncategorized migraine.

* 多元回归分析纳入的变量包括年龄、性别、高血压（hypertension，伴或不伴药物治疗）、糖尿病（diabetes）、高脂血症（hyperlipidemia）、冠心病（coronary heart disease）、慢性风湿性心脏病（chronic rheumatic heart disease）、其他心脏疾病以及抗凝药物使用情况。†P ‡P缩写说明：HS为出血性卒中（hemorrhagic stroke），MA为伴先兆偏头痛（migraine with aura），MO为无先兆偏头痛（migraine without aura），MU为未分类偏头痛（uncategorized migraine）。