Two sample MR report
Type 2 diabetes || id:ebi-a-GCST90018926 against Breast cancer (Combined Oncoarray; iCOGS; GWAS meta analysis) || id:ieu-a-1126
Date: 01 December, 2025
Results from two sample MR:
| method | nsnp | b | se | pval |
|---|---|---|---|---|
| MR Egger | 157 | 0.007 | 0.037 | 0.845 |
| Weighted median | 157 | 0.031 | 0.018 | 0.089 |
| Inverse variance weighted | 157 | -0.006 | 0.018 | 0.755 |
| Simple mode | 157 | 0.061 | 0.057 | 0.284 |
| Weighted mode | 157 | 0.084 | 0.024 | 0.001 |
Heterogeneity tests
| method | Q | Q_df | Q_pval |
|---|---|---|---|
| MR Egger | 624 | 155 | 0 |
| Inverse variance weighted | 625 | 156 | 0 |
Test for directional horizontal pleiotropy
| egger_intercept | se | pval |
|---|---|---|
| -0.001 | 0.003 | 0.693 |
Test that the exposure is upstream of the outcome
| snp_r2.exposure | snp_r2.outcome | correct_causal_direction | steiger_pval |
|---|---|---|---|
| 0 | 0 | TRUE | 0.202 |
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
