Two sample MR report


Telomere_length against aseg global intensity CC-Central

Date: 23 April, 2022


Results from two sample MR:

method nsnp b se pval
MR Egger 23 -0.0868055 0.1141080 0.4552751
Weighted median 23 0.0207217 0.0559163 0.7109471
Inverse variance weighted 23 0.0222965 0.0446702 0.6176842
Simple mode 23 0.0917337 0.0942929 0.3411996
Weighted mode 23 0.0401679 0.0602246 0.5117273

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 27.67088 21 0.1497347
Inverse variance weighted 29.09256 22 0.1422371

Test for directional horizontal pleiotropy

egger_intercept se pval
0.0066988 0.0064491 0.3107473

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.0357937 0.0008915 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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