Body mass index and tuberculosis risk: an updated systematic literature review and dose–response meta-analysis

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BMI shows a clear inverse relationship with tuberculosis risk across a broad range of categories.
In a study with nearly 25 million participants, risk reduction for BMI < 25.0 kg/m2 was about 18%, indicating a significant impact.
Dose-response meta-analysis employed linear and nonlinear models to reveal variations in risk reduction related to BMI levels.
Results indicate that addressing nutritional status could be critical in managing and preventing tuberculosis globally.

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Systematic review reveals an inverse relationship between body mass index and tuberculosis risk, suggesting nutritional status influences outcomes.

Saunders et al. (2025) studied this question.

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Systematic review reveals an inverse relationship between body mass index and tuberculosis risk, suggesting nutritional status influences outcomes.