Two sample MR report


Type 2 diabetes || id:ebi-a-GCST90018926 against ER+ Breast cancer (Combined Oncoarray; iCOGS; GWAS meta analysis) || id:ieu-a-1127

Date: 01 December, 2025


Results from two sample MR:

method nsnp b se pval
MR Egger 157 0.008 0.038 0.841
Weighted median 157 -0.013 0.021 0.530
Inverse variance weighted 157 -0.018 0.018 0.325
Simple mode 157 -0.062 0.055 0.258
Weighted mode 157 0.060 0.026 0.024

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 465 155 0
Inverse variance weighted 466 156 0

Test for directional horizontal pleiotropy

egger_intercept se pval
-0.002 0.003 0.442

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0 0 TRUE 0.237

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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