Two sample MR report


Interleukin-1-alpha levels against gastric_cancer

Date: 02 January, 2026


Results from two sample MR:

method nsnp b se pval
MR Egger 25 0.1825401 0.0744405 0.0222104
Weighted median 25 0.1303738 0.0578368 0.0241857
Inverse variance weighted 25 0.0856665 0.0404912 0.0343719
Simple mode 25 0.0675107 0.0864908 0.4426963
Weighted mode 25 0.1101374 0.0524879 0.0465811

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 15.65306 23 0.8697136
Inverse variance weighted 18.05820 24 0.8001761

Test for directional horizontal pleiotropy

egger_intercept se pval
-0.0159306 0.0102722 0.1345896

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.000247 0 TRUE 0.1066099

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