ArticleFrontiers in public health2026
Patient subgroups and shifting incidence trends: an epidemiological profile of registered severe mental disorders in Quzhou, China (1969-2022).
Article in Frontiers in public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Severe mental disorders (SMD) pose a significant public health challenge. Comprehensive epidemiological data are crucial for informing effective management strategies, yet detailed profiles from specific regions like Quzhou, China, remain limited. Methods: This retrospective study analyzed data from 11,589 patients with registered SMD in Quzhou, sourced from the National Information System for Psychosis. We extracted demographic, clinical, and management information. Statistical analyses included descriptive statistics, chi-square/Fisher's exact tests to compare characteristics across six SMD categories, hierarchical cluster analysis to explore disorder groupings, and Joinpoint regression to analyze incidence trends from 1969 to 2022. Results: The cohort was 52.4% female, and predominantly had low educational attainment (84.7%with junior high school or below). Schizophrenia was the most prevalent diagnosis (66.0%). Significant differences (all Conclusion: This study provides a detailed epidemiological profile of SMD in Quzhou, revealing distinct patient subgroups and a recent plateau in the incidence trend. The findings underscore the need for differentiated, cluster-informed public health planning and resource allocation to address the varied needs of this population.
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