Table 1. Description of included control samples.
| Study | N* samples | Primary disease for which cases were selected | Genotyping platform |
| CAHRES [30] | 732 | Breast cancer | Illumina HumanHap 550 |
| CAPS [31] | 850 | Prostate cancer | Affymetrix 550K and 5.0 |
| DGI [23] | 398 | Diabetes type 2 | Affymetrix 550K |
| SCZ-SW [32] | 2290 | Schizophrenia | Affymetrix 5.0 and 6.0 |
| TWINGENE-SW [33] | 290 | Twin cohort study | Illumina HumanHap 300 |
| EIRA [34] | 614 | Rheumatoid arthritis | Illumina HumanHap300 |
| Total | 5174 |
*Numbers refer to the post-QC number of samples from each study.