Original title: Global, regional, and national burden of migraine and tension-type headache, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016
Researchers estimated how many people had migraine or tension-type headache across countries, ages, and years. They combined survey results with a statistical model to fill gaps in the available data. To estimate disability, they considered how common each headache was, how long it lasted, and how disabling it was. Tension-type headache was more common, but migraine caused far more years lived with disability because its disability weightA measure of the relative severity of a health problem’s disabling effects. was higher.
Imagine a town where many people miss work because of two kinds of bad headaches. One kind makes more people miss a little time; the other affects fewer people but keeps each person from doing more. In this paper, the number of people with each headache is like counting who missed work, while the time and severity of their problems show which headache causes more total disruption.
Headache disorders affect people worldwide, especially women aged 15–49 in the study’s estimates. Counting how often headaches occur is not enough: migraine affects fewer people than tension-type headache, yet causes far more disability, a difference that matters when health systems weigh research and care priorities.
The authors say the estimates are based on limited data. They note that additional country sources and less methodological variation are needed to provide stronger evidence. The abstract does not establish why headache burden varies across countries or what interventions would reduce it.
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Global, regional, and national burden of migraine and tension-type headache, 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016 — Lars Jacob Stovner, Emma L. Nichols, Timothy J. Steiner et al. — The Lancet Neurology — doi:10.1016/s1474-4422(18)30322-3
Abstract licence: CC BY
Explanation generated by Synthesis from the abstract — it is not the original paper.