Two sample MR report


Telomere_length against AmygNuclei rh volume Anterior-amygdaloid-area-AAA

Date: 22 April, 2022


Results from two sample MR:

method nsnp b se pval
MR Egger 23 -0.0282872 0.1114000 0.8020231
Weighted median 23 -0.0278105 0.0580530 0.6318997
Inverse variance weighted 23 0.0167921 0.0427265 0.6943091
Simple mode 23 -0.0801210 0.0862346 0.3629173
Weighted mode 23 -0.0447187 0.0640311 0.4922498

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 26.37308 21 0.1925791
Inverse variance weighted 26.61580 22 0.2261833

Test for directional horizontal pleiotropy

egger_intercept se pval
0.0027679 0.006296 0.6647049

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.0357937 0.0008121 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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