Two sample MR report


Telomere_length against aparc-a2009s lh thickness G-oc-temp-lat-fusifor

Date: 22 April, 2022


Results from two sample MR:

method nsnp b se pval
MR Egger 23 -0.0507972 0.1158975 0.6656484
Weighted median 23 -0.0396813 0.0593206 0.5035404
Inverse variance weighted 23 -0.0533626 0.0442493 0.2278353
Simple mode 23 -0.0648002 0.0958167 0.5059026
Weighted mode 23 -0.0406920 0.0695292 0.5643347

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 28.54639 21 0.1253246
Inverse variance weighted 28.54717 22 0.1582488

Test for directional horizontal pleiotropy

egger_intercept se pval
-0.0001575 0.0065503 0.9810425

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.0357937 0.0009222 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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