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Sudat SE, Jacobson AS et al. A population-health approach to characterizing migraine by comorbidity: Results from the Mindfulness and migraine study, Cephalalgia. 2022;42(11-12):1255-1264. doi:10.1177/03331024221104180, 2022 May 31
Investigators
Abstract
Background: The heterogeneity of migraine has been reported extensively, with identified subgroups usually based on symptoms. Grouping individuals with migraine and similar comorbidity profiles has been suggested, however such segmentation methods have not been tested using real-world clinical data.
Objective: To gain insights into natural groupings of patients with migraine using latent class analysis based on electronic health record-determined comorbidities.
Methods: Retrospective electronic health record data analysis of primary-care patients at Sutter Health, a large open healthcare system in Northern California, USA. We identified migraine patients over a five-year time period (2015-2019) and extracted 29 comorbidities. We then applied latent class analysis to identify comorbidity-based natural subgroups.
Results: We identified 95,563 patients with migraine and found seven latent classes, summarized by their predominant comorbidities and population share: fewest comorbidities (61.8%), psychiatric (18.3%), some comorbidities (10.0%), most comorbidities - no cardiovascular (3.6%), vascular (3.1%), autoimmune/joint/pain (2.2%), and most comorbidities (1.0%). We found minimal demographic differences across classes.
Conclusion: Our study found groupings of migraine patients based on comorbidity that have the potential to be used to guide targeted treatment strategies and the development of new therapies.