Two sample MR report


genus.Clostridiumsensustricto1.id.1873 against BK polyomavirus seropositivity

Date: 22 January, 2026


Results from two sample MR:

method nsnp b se pval
MR Egger 9 1.6026458 0.8205462 0.0917415
Weighted median 9 1.1199647 0.4872462 0.0215299
Inverse variance weighted 9 0.7500548 0.3707188 0.0430479
Simple mode 9 1.1122880 0.6813812 0.1412386
Weighted mode 9 1.1621702 0.6185345 0.0970682

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 3.290218 7 0.8569202
Inverse variance weighted 4.646741 8 0.7945789

Test for directional horizontal pleiotropy

egger_intercept se pval
-0.0981678 0.084286 0.2822935

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
1.89e-05 2e-07 TRUE 0.7862475

Note - R^2 values are approximate


Forest plot of single SNP MR

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Comparison of results using different MR methods

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Funnel plot

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Leave-one-out sensitivity analysis

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