Two sample MR report
Body mass index (BMI) || id:ukb-b-2303 against Osteoarthritis of the hip (hospital diagnosed) || id:ebi-a-GCST005810
Date: 28 November, 2025
Results from two sample MR:
| method |
nsnp |
b |
se |
pval |
| MR Egger |
666 |
0.805 |
0.240 |
0.001 |
| Weighted median |
666 |
0.449 |
0.165 |
0.006 |
| Inverse variance weighted |
666 |
0.652 |
0.091 |
0.000 |
| Simple mode |
666 |
0.153 |
0.547 |
0.780 |
| Weighted mode |
666 |
0.153 |
0.347 |
0.660 |
Heterogeneity tests
| method |
Q |
Q_df |
Q_pval |
| MR Egger |
690 |
664 |
0.231 |
| Inverse variance weighted |
691 |
665 |
0.235 |
Test for directional horizontal pleiotropy
| egger_intercept |
se |
pval |
| -0.003 |
0.004 |
0.49 |
Test that the exposure is upstream of the outcome
| snp_r2.exposure |
snp_r2.outcome |
correct_causal_direction |
steiger_pval |
| 0 |
0 |
TRUE |
0.96 |
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
