Two sample MR report
HLA-DQB1_Epithelial against UKB-b-18436
Date: 13 January, 2026
Results from two sample MR:
| method |
nsnp |
b |
se |
pval |
| MR Egger |
26 |
-0.0274200 |
0.0368654 |
0.4642250 |
| Weighted median |
26 |
0.0293512 |
0.0071903 |
0.0000446 |
| Inverse variance weighted |
26 |
0.0282576 |
0.0059006 |
0.0000017 |
| Simple mode |
26 |
0.0005598 |
0.0185075 |
0.9761096 |
| Weighted mode |
26 |
0.0016934 |
0.0158689 |
0.9158705 |
Heterogeneity tests
| method |
Q |
Q_df |
Q_pval |
| MR Egger |
35.42521 |
24 |
0.0623400 |
| Inverse variance weighted |
38.87598 |
25 |
0.0379075 |
Test for directional horizontal pleiotropy
| egger_intercept |
se |
pval |
| 0.0323445 |
0.021154 |
0.1393387 |
Test that the exposure is upstream of the outcome
| snp_r2.exposure |
snp_r2.outcome |
correct_causal_direction |
steiger_pval |
| 0.0004659 |
1e-07 |
TRUE |
0.0426357 |
Note - R^2 values are approximate
Forest plot of single SNP MR

Comparison of results using different MR methods

Funnel plot

Leave-one-out sensitivity analysis
