Two sample MR report


Telomere_length against aparc-a2009s rh area G-temporal-inf

Date: 22 April, 2022


Results from two sample MR:

method nsnp b se pval
MR Egger 23 0.0291654 0.1032416 0.7803283
Weighted median 23 0.0618073 0.0577035 0.2841154
Inverse variance weighted 23 0.0036188 0.0394845 0.9269759
Simple mode 23 0.0188745 0.1067193 0.8612358
Weighted mode 23 0.0407781 0.0750403 0.5923073

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 22.65238 21 0.3627891
Inverse variance weighted 22.73033 22 0.4170884

Test for directional horizontal pleiotropy

egger_intercept se pval
-0.0015686 0.005835 0.7906914

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.0357937 0.000689 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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