Table 1 Features of the breast cancer cases1
From: Association of MTHFR gene polymorphisms with breast cancer survival
| Age at diagnosis (mean ± SD; n = 248) | 55.0 ± 13.9 |
| Body mass index (mean ± SD; n = 248) | 29.1 ± 8.0 |
| N (%) | |
| Race/Ethnicity | |
| African-American | 143 (58) |
| Caucasian | 105 (42) |
| Menopausal status at diagnosis | |
| Pre-menopausal | 64 (31) |
| Post-menopausal | 141 (69) |
| Alcohol consumption | |
| No | 93 (41) |
| Yes | 133 (59) |
| Survival | |
| Alive | 189 (76) |
| Deceased2 | 59 (24) |
| Tumor histology | |
| Ductal | 189 (76) |
| Lobular | 34 (14) |
| Others | 25 (10) |
| Node status | |
| Negative | 144 (63) |
| Positive | 84 (37) |
| Stage at diagnosis (TNM) | |
| ≤ Stage I | 66 (29) |
| Stage II | 118 (52) |
| ≥ Stage III | 44 (19) |
| Chemotherapy | |
| No | 99 (43) |
| Yes3 | 132 (57) |
| Neoadjuvant therapy | |
| No | 178 (77) |
| Yes | 53 (23) |
| Estrogen receptor-α | |
| Negative | 102 (41) |
| Positive | 145 (59) |
| HER2/neu | |
| Low to weak | 154 (62) |
| Moderate to strong | 93 (38) |