The variables with their distributions, effect sizes, and P-values.
| Variables | Overall (N = 138) | No (N = 104) | Yes (N = 34) | P-value | Effect size |
|---|---|---|---|---|---|
| Age | |||||
| Mean (SD) | 54.0 (12.5) | 54.2 (11.9) | 53.4 (14.4) | 0.76 | 0.06 |
| Median [Min, Max] | 53.0 [33.0, 85.0] | 53.0 [33.0, 81.0] | 51.5 [33.0, 85.0] | ||
| Ki-67 | |||||
| < 15% | 7 (5.1%) | 4 (3.9%) | 3 (8.8%) | 0.30 | 0.13 |
| > 35% | 87 (63.0%) | 69 (66.3%) | 18 (52.9%) | ||
| 15–35% | 44 (31.9%) | 31 (29.8%) | 13 (38.2%) | ||
| History of comorbid conditions | |||||
| No | 85 (61.6%) | 61 (58.6%) | 24 (70.6%) | 0.27 | 0.11 |
| Yes | 53 (38.4%) | 43 (41.4%) | 10 (29.4%) | ||
| Lymph | |||||
| No | 92 (66.6%) | 70 (67.3%) | 22 (64.7%) | 0.99 | 0.02 |
| Yes | 46 (33.4%) | 34 (32.7%) | 12 (35.3%) | ||
| Tumor size | |||||
| < 2 cm | 37 (26.8%) | 29 (27.9%) | 8 (23.5%) | < 0.01 | 0.27 |
| > 5 cm | 16 (11.6%) | 7 (6.7%) | 9 (26.5%) | ||
| 2–5 cm | 85 (61.6%) | 68 (65.4%) | 17 (50.0%) | ||
| Type of surgery | |||||
| Lumpectomy | 91 (65.9%) | 77 (74.0%) | 15 (44.1%) | < 0.01 | 0.28 |
| Radical mastectomy | 47 (34.1%) | 27 (26.0%) | 19 (55.9%) | ||
| BC family | |||||
| No | 61 (44.2%) | 45 (43.3%) | 16 (47.1%) | 0.89 | 0.03 |
| Yes | 77 (55.8%) | 59 (56.7%) | 18 (52.9%) | ||
| Recurrence | |||||
| No | 130 (94.2%) | 101 (97.1%) | 29 (85.3%) | 0.03 | 0.22 |
| Yes | 8 (5.8%) | 3 (2.9%) | 5 (14.7%) | ||
| Metastasis | |||||
| No | 105 (76.1%) | 97 (93.3%) | 8 (23.5%) | < 0.01 | 0.70 |
| Yes | 33 (23.9%) | 7 (6.7%) | 26 (76.5%) | ||
| Grade | |||||
| G1 | 9 (6.5%) | 7 (6.7%) | 2 (5.9%) | 0.90 | 0.04 |
| G2 | 28 (20.2%) | 20 (19.2%) | 8 (23.5%) | ||
| G3 | 101 (73.3%) | 77 (74.0%) | 24 (70.6%) | ||
| Treatment | |||||
| Chemotherapy | 19 (13.8%) | 8 (7.7%) | 11 (32.4%) | < 0.01 | 0.31 |
| Chemotherapy + radiotherapy | 119 (86.2%) | 96 (92.3%) | 23 (67.6%) | ||