Meta-Analysis of Migraine Headache Treatments: Combining Information from Heterogeneous Designs
偏头痛治疗的元分析:整合异质研究设计的信息
Migraine headache is a common condition in the United States for which a wide range of drug and nondrug treatments are available. There is wide disagreement about which treatments are most effective; meta-analysis of existing clinical trials can help to bring existing evidence to bear on this question. Conducting a meta-analysis is a challenging statistical problem because of the absence of a uniform accepted definition of headache syndromes, the diversity of treatments, and…