Two sample MR report


Triacylglycerol (54:6) levels against Malignant_melanoma_of_skin

Date: 04 January, 2026


Results from two sample MR:

method nsnp b se pval
MR Egger 3 0.4977067 0.2611541 0.3076296
Weighted median 3 0.2527336 0.1050905 0.0161763
Inverse variance weighted 3 0.2594688 0.0892293 0.0036388
Simple mode 3 0.1728115 0.1353486 0.3298772
Weighted mode 3 0.3218628 0.1206988 0.1165482

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 0.0069098 1 0.9337519
Inverse variance weighted 0.9491018 2 0.6221644

Test for directional horizontal pleiotropy

egger_intercept se pval
-0.0349003 0.035955 0.5094757

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.0002081 0 TRUE 0.2439108

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