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Inverse Probability of Treatment Weighting Propensity Score using the Military Health System Data Repository and National Death Index
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Causal relationship between smoking and spinal stenosis: Two-sample Mendelian randomization
1Ya'an Hospital of Traditional Chinese Medicine.
Medicine
|September 23, 2024
Summary
This study investigated the link between smoking and spinal stenosis using Mendelian randomization. Results indicate no causal relationship, despite observational data suggesting otherwise.
Area of Science:
- Genetics
- Epidemiology
- Public Health
Background:
- Spinal stenosis cases are rising, with many patients reporting a history of smoking.
- Observational data suggests a potential link between smoking and spinal stenosis.
Purpose of the Study:
- To investigate the causal relationship between smoking and spinal stenosis using Mendelian randomization.
- To leverage genetic data for a robust assessment of this association.
Main Methods:
- Utilized two-sample Mendelian randomization (MR) analysis.
- Selected genetic loci associated with smoking and spinal stenosis from large genome-wide association studies (GWAS) in European ancestry populations.
- Employed MR-Egger, Weighted Median, and Inverse Variance Weighting (IVW) methods, with heterogeneity, multiplicity, and leave-one-out sensitivity analyses.
Main Results:
- Inverse Variance Weighting (IVW) analysis indicated no statistically significant causal relationship between smoking and spinal stenosis (OR: 2.40, 95% CI: 0.31-18.71, P=0.403).
- No significant heterogeneity or multiplicity was detected.
- Sensitivity analyses confirmed the robustness of the findings.
Conclusions:
- The Mendelian randomization analysis suggests no causal link between smoking and the development of spinal stenosis.
- Further research incorporating larger datasets is warranted to definitively establish or refute this association.
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