ArticleBMC psychiatry2025
Prognostic prediction in schizophrenia using the Anderson-Gill time-dependent Cox model: a cohort study in a less-developed region of Southwest China.
Article in BMC psychiatry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- The Diversity Effect of Psychological Resilience on the Relationship between Bullying Victimization and Multiple Psychological Symptoms Among Chinese Adolescents: A Large-Scale Regional Study.Child psychiatry and human development · 2026Article
- The adiponectin-depression nexus: a brief review of mechanisms and therapeutic opportunities.Metabolic brain disease · 2026Review
- Optimizing Theta Burst Stimulation Protocols: A Computational Exploration of Novel Alpha-Beta and Alpha-Gamma Frequency Couplings.Neuroinformatics · 2025Article
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14 authors.
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Abstract
backgroundSchizophrenia represents a significant global public health burden, with considerable impact on morbidity and mortality. This study sought to construct a prognostic model to estimate mortality risk in individuals diagnosed with schizophrenia, employing a Cox proportional hazards framework with time-dependent variables.
methodsParticipants were recruited from a cohort of individuals with schizophrenia in a less-developed area of Southwest China and followed for a median of 6.4 years. A time-dependent Cox model based on the Anderson-Gill method was established to predict survival, followed by comprehensive model evaluation and graphical presentation.
resultsA total of 1,009 participants were enrolled, with 86 deaths recorded during follow-up. The model identified female sex (HR = 0.599, 95%CI= [0.387-0.928]) and hospitalization (HR = 0.499, 95%CI= [0.251-0.992]) as protective factors. Higher social function scores were associated with reduced mortality risk (HR = 0.889, 95%CI= [0.793-0.995]). Conversely, poor sleep quality (HR = 3.824, 95%CI= [1.482-9.867]) and abnormal electrocardiographic findings (HR = 2.185, 95%CI= [1.236-3.862]) increased mortality risk. Each additional year of age at initial diagnosis corresponded to an elevated risk of death (HR = 1.044, 95%CI= [1.027-1.060]). Model performance was robust, with a concordance index (C-index) of 0.820. Time-dependent AUC values at 1, 3, and 5 years were 0.814, 0.848, and 0.831, respectively.
conclusionsMortality risk among individuals with schizophrenia was significantly associated with sex, hospitalization status, social functioning, age at diagnosis, sleep quality, and electrocardiographic abnormalities. The model demonstrated strong predictive accuracy, and the accompanying nomogram together with the Excel-based scoring system offers a practical tool for rapid clinical risk assessment, supporting timely implementation of targeted interventions to improve patient outcomes. CLINICAL TRIAL NUMBER: Not applicable.
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