ER status | Number of cancersa | |||
---|---|---|---|---|
 | Data from BCPT | Data from MORE | ||
 | Placebo (175 breast cancers developed) | Tamoxifen (89 breast cancers developed) | Placebo (39 breast cancers developed) | Raloxifene (22 breast cancers developed) |
ER- | 31 | 38 | 4 | 9 |
ER+ | 130 | 41 | 31 | 10 |