Two sample MR report


genus.LachnospiraceaeUCG004.id.11324 against BK polyomavirus seropositivity

Date: 22 January, 2026


Results from two sample MR:

method nsnp b se pval
MR Egger 13 -1.1278291 1.3507366 0.4214974
Weighted median 13 0.4867911 0.4609110 0.2908997
Inverse variance weighted 13 0.7769665 0.3605008 0.0311429
Simple mode 13 0.1993985 0.8362173 0.8155532
Weighted mode 13 0.1993985 0.8190970 0.8117787

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 5.077997 11 0.9273304
Inverse variance weighted 7.219151 12 0.8427978

Test for directional horizontal pleiotropy

egger_intercept se pval
0.1326204 0.090633 0.1713743

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
2.81e-05 3e-07 TRUE 0.7282821

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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