Two sample MR report


HLA-DQA1_Epithelial against UKB-b-18436

Date: 13 January, 2026


Results from two sample MR:

method nsnp b se pval
MR Egger 66 -0.0338057 0.0290285 0.2485160
Weighted median 66 0.0541008 0.0047087 0.0000000
Inverse variance weighted 66 0.0507359 0.0054137 0.0000000
Simple mode 66 0.0774242 0.0121524 0.0000000
Weighted mode 66 0.0717594 0.0133353 0.0000011

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 237.7726 64 0
Inverse variance weighted 270.2950 65 0

Test for directional horizontal pleiotropy

egger_intercept se pval
0.0564437 0.0190772 0.0043261

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.0008476 1.2e-06 TRUE 0.0075191

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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