Two sample MR report


Small vessel stroke against PRKAB1-UKBPPP

Date: 08 January, 2026


Results from two sample MR:

method nsnp b se pval
MR Egger 32 -0.027 0.040 0.499
Weighted median 32 0.003 0.019 0.883
Inverse variance weighted 32 0.006 0.014 0.680
Simple mode 32 -0.009 0.042 0.823
Weighted mode 32 -0.013 0.041 0.754

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 32.4 30 0.347
Inverse variance weighted 33.3 31 0.357

Test for directional horizontal pleiotropy

egger_intercept se pval
0.005 0.006 0.386

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.017 0 TRUE 0

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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