Two sample MR report


Telomere_length against aparc-Desikan rh area TotalSurface

Date: 22 April, 2022


Results from two sample MR:

method nsnp b se pval
MR Egger 23 -0.0249656 0.1183613 0.8349772
Weighted median 23 -0.0356223 0.0647046 0.5819508
Inverse variance weighted 23 -0.0536913 0.0452637 0.2355476
Simple mode 23 0.0582669 0.1239686 0.6429710
Weighted mode 23 0.0190277 0.0955047 0.8439102

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 29.77258 21 0.0966542
Inverse variance weighted 29.87113 22 0.1216304

Test for directional horizontal pleiotropy

egger_intercept se pval
-0.0017638 0.0066895 0.7946128

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.0357937 0.000963 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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