Two sample MR report


Telomere_length against aparc-a2009s lh area G+S-paracentral

Date: 22 April, 2022


Results from two sample MR:

method nsnp b se pval
MR Egger 23 0.0220708 0.0994062 0.8264383
Weighted median 23 0.0005371 0.0608105 0.9929527
Inverse variance weighted 23 -0.0034080 0.0388453 0.9300888
Simple mode 23 0.0147585 0.1111945 0.8956160
Weighted mode 23 0.0262809 0.0748701 0.7289129

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 18.23916 21 0.6338235
Inverse variance weighted 18.31669 22 0.6870552

Test for directional horizontal pleiotropy

egger_intercept se pval
-0.0015644 0.0056182 0.7833899

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.0357937 0.0005553 TRUE 0

Note - R2 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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