Table 1.
Demographic, exercise habit, and disease/treatment information by menopausal status in women with breast cancer
| Characteristic | Total | Premenopausal | Postmenopausal | t / χ 2 | p |
|---|---|---|---|---|---|
| (n = 131) | (n = 86) | (n = 45) | |||
| mean ± SD | mean ± SD | mean ± SD | |||
| n (%) | n (%) | n (%) | |||
| Age (years) | 46.9 ± 9.5 | 42.1 ± 7.0 | 56.1 ± 6.3 | 11.2 | < 0.001 |
| Exercise habit before diagnosis | 3.6 | 0.056 | |||
| No | 95 (72.5%) | 67 (77.9%) | 28 (62.2%) | ||
| Yes | 36 (27.5%) | 19 (22.1%) | 17 (37.8%) | ||
| Type of surgery | 12.6 | < 0.001 | |||
| BCT | 57 (43.5%) | 47 (54.7%) | 10 (22.2%) | ||
| MRM | 74 (56.5%) | 39 (45.3%) | 35 (77.8%) | ||
| AJCC staging | 0.8 | 0.664 | |||
| Stage 0/ I | 50 (38.2%) | 35 (40.7%) | 15 (33.3%) | ||
| Stage II | 56 (42.7%) | 36 (41.9%) | 20 (44.4%) | ||
| Stage III | 25 (19.1%) | 15 (17.4%) | 10 (22.3%) | ||
| Estrogen receptor | 2.9 | 0.089 | |||
| Positive | 91 (69.5%) | 64 (74.4%) | 27 (60.0%) | ||
| Negative | 40 (30.5%) | 22 (25.6%) | 18 (40.0%) | ||
| Progesterone receptor | 13.0 | < 0.001 | |||
| Positive | 72 (55.0%) | 57 (66.3%) | 15 (33.3%) | ||
| Negative | 59 (45.0%) | 29 (33.7%) | 30 (66.7%) | ||
| Chemotherapy | 0.5 | 0.478 | |||
| Yes | 109 (83.2%) | 73 (84.9%) | 36 (80.0%) | ||
| No | 22 (16.8%) | 13 (15.1%) | 9 (20.0%) | ||
| Radiotherapy | 6.2 | 0.013 | |||
| Yes | 72 (55.0%) | 54 (62.8%) | 18 (40.0%) | ||
| No | 59 (45.0%) | 32 (37.2%) | 27 (60.0%) | ||
| Hormone therapy | 3.0 | 0.085 | |||
| Yes | 83 (63.4%) | 59 (68.6%) | 24 (53.3%) | ||
| No | 48 (36.6%) | 27 (31.4%) | 21 (46.7%) | ||
| Distant organ metastasis | 1.0 | 0.310 | |||
| Yes | 23 (17.6%) | 13 (15.1%) | 10 (22.2%) | ||
| No | 108 (82.4%) | 73 (84.9%) | 35 (77.8%) | ||
| All-cause death | 0.9 | 0.345 | |||
| Yes | 13 (9.9%) | 7 (8.1%) | 6 (13.3%) | ||
| No | 118 (90.1%) | 79 (91.9%) | 39 (86.7%) | ||
AJCC American Joint Committee on Cancer, SD standard deviation, BCT Breast Conserving Therapy, MRM Modified Radical Mastectomy