Table 1.
Characteristics of smoking-related methylation datasets and breast cancer.
| Exposure | Data source | CpG | F | Cases/Controls | Sample size | Population |
|---|---|---|---|---|---|---|
| Smoking-related methylation | ARIES | 436 | 19–952 | NA | 846 | European |
| Outcomes | Consortium | Studies | Cases/Controls | Sample size | Population | |
| ER+ breast cancer | BCAC | 67 | 69,501/105,974 | 175,475 | European | |
| ER− breast cancer | BCAC | 67 | 21,468/105,974 | 127,442 | European |
ARIES indicates Accessible Resource for Integrated Epigenomics Studies; ER, estrogen receptor; BCAC, Breast Cancer Association Consortium; NA, not applicable.