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September 5, 2025Frontiers in Applied Mathematics and StatisticsOpen Access

Application of a joint multivariate probit model for mixed outcomes of CD4 cell count and tuberculosis using a Bayesian latent variable approach in KwaZulu-Natal

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Authors

ECExcellent ChiresheRCRetius ChifuriraJBJesca Mercy Batidzirai

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Overview

This analysis jointly models CD4 cell count and TB diagnosis in HIV patients using Bayesian methods, highlighting significant associations.

Key Points

  • The analysis reveals a moderate negative correlation between CD4 cell count and TB risk, indicating immune suppression increases TB likelihood.
  • Bayesian multivariate latent variable model estimated outcomes, showing that antiretroviral therapy significantly improves immune status and reduces TB risk.
  • Data from 7,776 HIV-positive individuals demonstrated that factors like male sex and higher viral load are linked to increased TB susceptibility.
  • Findings underscore the clinical importance of integrated HIV-TB programming for targeted screening and resource prioritization.

Cite This Study

Chireshe et al. (2025) studied this question.

synapsesocial.com/papers/68c23922b210217d6477abc7https://doi.org/10.3389/fams.2025.1643745
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1CD4 cell count and viral load count association and its joint risk factors among adult TB/HIV co-infected patients: a retrospective follow-up study2025 · 5 citations
  2. 2Clinical Determinants Associated With Viral Load Count Among Adult TB/HIV Co‐Infected Patients: A Linear Mixed‐Effects Model Analysis2025 · 2 citations
  3. 3INVESTIGATING TB CO-INFECTION AMONG HIV PATIENTS: PREVALENCE AND ASSOCIATED CLINICAL AND BEHAVIORAL DETERMINANTS2025
  4. 4A hospital-based observational study on HIV-TB co-infection2025
  5. 5An integrated network-based approach to elucidate the molecular mechanism behind Tuberculosis and HIV co-infection2026