Two sample MR report


Telomere_length against BA-exvivo rh area BA1

Date: 22 April, 2022


Results from two sample MR:

method nsnp b se pval
MR Egger 23 -0.0269086 0.1217201 0.8271739
Weighted median 23 0.0384468 0.0623388 0.5374059
Inverse variance weighted 23 -0.0455252 0.0465019 0.3275816
Simple mode 23 0.0305838 0.1326255 0.8197541
Weighted mode 23 0.0749706 0.0854017 0.3895073

Heterogeneity tests

method Q Q_df Q_pval
MR Egger 31.48592 21 0.0659425
Inverse variance weighted 31.52732 22 0.0858194

Test for directional horizontal pleiotropy

egger_intercept se pval
-0.0011431 0.0068794 0.8696222

Test that the exposure is upstream of the outcome

snp_r2.exposure snp_r2.outcome correct_causal_direction steiger_pval
0.0357937 0.000997 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