Two sample MR report


Neurturin levels against gastric_cancer

Date: 02 January, 2026


Results from two sample MR:

method nsnp b se pval
MR Egger 25 0.0059771 0.2321523 0.9796818
Weighted median 25 -0.3646466 0.1205781 0.0024933
Inverse variance weighted 25 -0.2651777 0.0859775 0.0020405
Simple mode 25 -0.3739489 0.1831152 0.0522726
Weighted mode 25 -0.3919627 0.1222659 0.0037869

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 24.01173 23 0.4031590
Inverse variance weighted 25.65626 24 0.3708338

Test for directional horizontal pleiotropy

egger_intercept se pval
-0.023012 0.018335 0.2220519

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
8.25e-05 0 TRUE 0.3607043

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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