Table 1 Flow of patients through the study (inclusion criteria)
n | |
|---|---|
Genotyped | 710 |
Overlap with women with mammograms retrieved | 570 |
Nonmissing date of initiation of tamoxifen therapy | 562 |
Duration of treatment ≥6 months | 530 |
Complete set of baseline and follow-up mammograms | 309 |
Postmenopausal at baseline | 308 |
Genotyped from blood | 278 |
Baseline percent mammographic density (PMD) ≥10% | 186 |