Table 1.
Type of Hormone Use (Number and Row Percentage) and Type of Menopausal Status in Cases and Controls. Women’s CARE Study, 1994–1998
| Menopausal Cases, Deceased from Breast Cancer within 6 Years of Diagnosis | Menopausal Controls | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Menopausal status | Never Any HT | ET only | CHT only | Both CHT & ET | Total | Never Any HT | ET Only | CHT Only | Both CHT & ET | Total |
| All | 122 | 83 | 46 | 27 | 278 | 717 | 772 | 484 | 251 | 2,224 |
| 44% | 30% | 17% | 10% | 100% | 32% | 35% | 22% | 11% | 100% | |
|
| ||||||||||
| Natural | 90 | 11 | 23 | 7 | 131 | 493 | 75 | 207 | 56 | 831 |
| 69% | 8% | 18% | 5% | 100% | 59% | 9% | 25% | 7% | 100% | |
|
| ||||||||||
| Induced | 6 | 33 | 1 | 4 | 44 | 67 | 312 | 13 | 67 | 459 |
| 14% | 75% | 2% | 9% | 100% | 15% | 68% | 3% | 15% | 100% | |
|
| ||||||||||
| Known menopausal but unknown type | 0 | 6 | 0 | 2 | 8 | 5 | 56 | 1 | 25 | 87 |
| 0% | 75% | 0% | 25% | 100% | 6% | 64% | 1% | 29% | 100% | |
|
| ||||||||||
| Menopausal status unclassifiable and age 50 or older | 26 | 33 | 22 | 14 | 95 | 152 | 329 | 263 | 103 | 847 |
| 27% | 35% | 23% | 15% | 100% | 18% | 39% | 31% | 12% | 100% | |
|
| ||||||||||
| Simple hysterectomy | 23 | 29 | 1 | 3 | 56 | 130 | 308 | 10 | 37 | 485 |
| 41% | 52% | 2% | 5% | 100% | 27% | 63% | 2% | 8% | 100% | |
|
| ||||||||||
| Menopause obscured by HT use | 0 | 4 | 20 | 11 | 35 | 0 | 6 | 247 | 60 | 313 |
| 0% | 11% | 57% | 31% | 100% | 0% | 2% | 79% | 19% | 100% | |