Two sample MR report


Telomere_length against aparc-a2009s rh thickness G-temporal-middle

Date: 23 April, 2022


Results from two sample MR:

method nsnp b se pval
MR Egger 23 -0.1215231 0.1240068 0.3382559
Weighted median 23 0.0943094 0.0580888 0.1044745
Inverse variance weighted 23 0.0464398 0.0497254 0.3503427
Simple mode 23 0.2075875 0.0980564 0.0458004
Weighted mode 23 0.1367973 0.0920300 0.1513536

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 32.68080 21 0.0498786
Inverse variance weighted 36.05037 22 0.0299910

Test for directional horizontal pleiotropy

egger_intercept se pval
0.0103129 0.0070086 0.1559927

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.0357937 0.0011356 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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