Two sample MR report


HLA-DRB1_Endothelial Cell (Endo) against UKB-b-18436

Date: 13 January, 2026


Results from two sample MR:

method nsnp b se pval
MR Egger 16 -0.1049040 0.0451125 0.0355927
Weighted median 16 0.0390177 0.0123447 0.0015740
Inverse variance weighted 16 0.0207218 0.0086762 0.0169237
Simple mode 16 0.0445473 0.0239233 0.0822980
Weighted mode 16 0.0442844 0.0270379 0.1222519

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 9.209056 14 0.8174297
Inverse variance weighted 17.221871 15 0.3057749

Test for directional horizontal pleiotropy

egger_intercept se pval
0.0555639 0.0196291 0.0133485

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.0002211 0 TRUE 0.1597734

Note - R^2 values are approximate


Forest plot of single SNP MR

plot of chunk chunk5


Comparison of results using different MR methods

plot of chunk chunk6


Funnel plot

plot of chunk chunk7


Leave-one-out sensitivity analysis

plot of chunk chunk8