Two sample MR report
cerebral microbleeds against PRKAB1-UKBPPP
Date: 08 January, 2026
Results from two sample MR:
| method |
nsnp |
b |
se |
pval |
| MR Egger |
7 |
0.035 |
0.057 |
0.568 |
| Weighted median |
7 |
-0.016 |
0.025 |
0.535 |
| Inverse variance weighted |
7 |
-0.021 |
0.019 |
0.251 |
| Simple mode |
7 |
-0.003 |
0.036 |
0.938 |
| Weighted mode |
7 |
-0.014 |
0.033 |
0.693 |
Heterogeneity tests
| method |
Q |
Q_df |
Q_pval |
| MR Egger |
4.55 |
5 |
0.474 |
| Inverse variance weighted |
5.62 |
6 |
0.467 |
Test for directional horizontal pleiotropy
| egger_intercept |
se |
pval |
| -0.016 |
0.015 |
0.347 |
Test that the exposure is upstream of the outcome
| snp_r2.exposure |
snp_r2.outcome |
correct_causal_direction |
steiger_pval |
| 0 |
0 |
TRUE |
0.756 |
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
