Table 4 Power calculation for all the MR analysis in current study
From: Inflammatory bowel disease and bladder cancer risk: based on a Mendelian randomization study
Exposure | Outcome | No. of SNPs | Proportion of variance explained by the SNPs on exposure | Power (%) |
|---|---|---|---|---|
Training set | UKBB | |||
IBD | BC | 126 | 0.59 | 17% |
CD | 113 | 0.76 | 16% | |
UC | 84 | 0.53 | 11% | |
Validation set | FinnGen | |||
IBD | BC | 124 | 0.69 | 20% |
CD | 114 | 0.75 | 15% | |
UC | 76 | 0.45 | 10% |