Table 1.
Summary of the patient characteristics
| Subgroup 1 (n = 49) | Subgroup 2 (n = 60) | P | Total (n = 109) | |
|---|---|---|---|---|
| Mean age at diagnosis (SD), years | 51.29 (10.10) | 47.93 (8.83) | 0.067 | 49.44 (9.52) |
| Interval (SD), days | 182.22 (97.03) | 154.58 (84.07) | 0.114 | 167.01 (90.75) |
| Tumor size, n (%) | ||||
| T0 | 8 (16) | 9 (15) | 0.471 | 17 (16) |
| ≤ 2 cm, T1 | 26 (53) | 26 (43) | 52 (48) | |
| > 2 cm and ≤ 5 cm, T2 | 14 (29) | 22 (37) | 36 (33) | |
| > 5 cm, T3 | 0 (0) | 2 (3) | 2 (2) | |
| T4 | 0 (0) | 1 (2) | 1 (1) | |
| Unknown | 1 (2) | 0 | 1 (1) | |
| Distant metastasis, n (%) | ||||
| No | 49 (100) | 58 (96) | 1.000 | 107 (98) |
| Yes | 0 (0) | 1 (2) | 1 (1) | |
| Unknown | 0 | 1 (2) | 1 (1) | |
| Stage, n (%) | ||||
| < II | 33 (67) | 18 (30) | < 0.001* | 51 (47) |
| ≥ II | 14 (29) | 41 (68) | 55 (50) | |
| Unknown | 2 (4) | 1 (2) | 3 (3) | |
| Pathological type, n (%) | ||||
| Ductal | 42 (86) | 55 (92) | 0.604 | 97 (89) |
| Lobular | 1 (2) | 0 (0) | 1 (1) | |
| Ductal carcinoma in situ | 3 (6) | 2 (3) | 5 (5) | |
| Other | 3 (6) | 3 (5) | 6 (6) | |
| Adjuvant chemotherapy, n (%) | ||||
| Yes | 27 (55.10) | 47 (78.33) | 0.010* | 74 (68) |
| No | 22 (44.90) | 13 (21.67) | 35 (32) | |
| Body mass index, n (%) | ||||
| < 24 | 24 (49) | 35 (58) | 0.657 | 59 (54) |
| 24–27 | 12 (25) | 14 (23) | 27 (25) | |
| ≥ 27 | 10 (20) | 10 (17) | 19 (17) | |
| Unknown | 3 (6) | 1 (2) | 4 (4) |
SD = Standard deviation; interval = days after starting tamoxifen.
*
Statistically significant.