Two sample MR report


HLA-DQB1_Epithelial against UKB-b-18436

Date: 13 January, 2026


Results from two sample MR:

method nsnp b se pval
MR Egger 26 -0.0274200 0.0368654 0.4642250
Weighted median 26 0.0293512 0.0071903 0.0000446
Inverse variance weighted 26 0.0282576 0.0059006 0.0000017
Simple mode 26 0.0005598 0.0185075 0.9761096
Weighted mode 26 0.0016934 0.0158689 0.9158705

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 35.42521 24 0.0623400
Inverse variance weighted 38.87598 25 0.0379075

Test for directional horizontal pleiotropy

egger_intercept se pval
0.0323445 0.021154 0.1393387

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.0004659 1e-07 TRUE 0.0426357

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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