Two sample MR report


Telomere_length against aseg rh intensity VentralDC

Date: 23 April, 2022


Results from two sample MR:

method nsnp b se pval
MR Egger 23 0.1559877 0.1156157 0.1916442
Weighted median 23 -0.0894358 0.0647317 0.1670825
Inverse variance weighted 23 -0.0489240 0.0478790 0.3068637
Simple mode 23 0.1290623 0.1439290 0.3795828
Weighted mode 23 -0.1433088 0.1046134 0.1845413

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 28.40813 21 0.1289514
Inverse variance weighted 33.42332 22 0.0561622

Test for directional horizontal pleiotropy

egger_intercept se pval
-0.0125815 0.0065343 0.0678224

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.0357937 0.0010609 TRUE 0

Note - R2 values are approximate


Forest plot of single SNP MR

plot of chunk chunk5


Comparison of results using different MR methods

plot of chunk chunk6


Funnel plot

plot of chunk chunk7


Leave-one-out sensitivity analysis

plot of chunk chunk8