Two sample MR report


Ulcerative colitis || id:finn-b-K11_ULCER against AtopicDermatitis

Date: 26 January, 2026


Results from two sample MR:

method nsnp b se pval
MR Egger 7 -0.005 0.106 0.966
Weighted median 7 -0.060 0.026 0.019
Inverse variance weighted 7 -0.066 0.040 0.102
Simple mode 7 -0.060 0.032 0.114
Weighted mode 7 -0.060 0.039 0.172

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 31.1 5 0
Inverse variance weighted 33.5 6 0

Test for directional horizontal pleiotropy

egger_intercept se pval
-0.012 0.02 0.558

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0 0 TRUE 0.63

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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