Two sample MR report


Triacylglycerol (53:4) levels against Malignant_melanoma_of_skin

Date: 04 January, 2026


Results from two sample MR:

method nsnp b se pval
MR Egger 4 0.3918249 0.1934310 0.1800562
Weighted median 4 0.1885148 0.0814544 0.0206480
Inverse variance weighted 4 0.2030808 0.0693565 0.0034107
Simple mode 4 0.1663985 0.1257030 0.2774196
Weighted mode 4 0.2511336 0.0980045 0.0830353

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 0.0947469 2 0.9537312
Inverse variance weighted 1.1873433 3 0.7560415

Test for directional horizontal pleiotropy

egger_intercept se pval
-0.0329427 0.0315159 0.4056144

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.0005124 0 TRUE 0.0784905

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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