Two sample MR report


Telomere_length against aseg global intensity CC-Anterior

Date: 23 April, 2022


Results from two sample MR:

method nsnp b se pval
MR Egger 23 0.0745827 0.0994058 0.4614071
Weighted median 23 0.0111007 0.0529417 0.8339198
Inverse variance weighted 23 0.0214400 0.0388455 0.5809955
Simple mode 23 -0.0523814 0.0843804 0.5411248
Weighted mode 23 -0.0100239 0.0624248 0.8738926

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 16.55997 21 0.7374101
Inverse variance weighted 16.89728 22 0.7690055

Test for directional horizontal pleiotropy

egger_intercept se pval
-0.0032629 0.0056182 0.5675671

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.0357937 0.0005213 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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