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Association between Tuberculosis, Statin Use, and Diabetes: A Propensity Score-Matched Analysis
Min-Chul Kim1, Sung-Cheol Yun2, Sang-Oh Lee3
1Division of Infectious Diseases, Department of Internal Medicine, Chung-Ang University Hospital, Seoul, Republic of Korea.
Summary
Statins may lower tuberculosis (TB) risk due to anti-inflammatory effects. However, this protective benefit is reduced in patients with diabetes, suggesting a complex interaction.
Area of Science:
- Immunology
- Pharmacology
- Epidemiology
Background:
- Statins possess anti-inflammatory and immunomodulatory properties.
- These properties may influence the pathogenesis of tuberculosis (TB).
Purpose of the Study:
- To investigate the association between statin use and the risk of active TB.
- To analyze the impact of statin use on TB development, considering the presence of diabetes.
Main Methods:
- A propensity score-matched cohort study using South Korean National Health Insurance data.
- Analysis included 28,018 statin users and 28,018 non-statin users, followed for 11 years.
- Subgroup analysis examined the effect of statins in patients with and without diabetes.
Main Results:
- Statin users exhibited a significantly lower risk of developing active TB (HR 0.67; P=0.04).
- Statin use was associated with a reduced TB risk in individuals without diabetes (HR 0.28; P=0.001).
- No significant reduction in TB risk was observed in statin users with diabetes (HR 1.05; P=0.84).
Conclusions:
- Epidemiological evidence suggests statins decrease the risk of active TB.
- The protective effect of statins against TB is diminished in the presence of diabetes.
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