Table 1.
Patients’ characteristics regarding tumour grade. a and b, same letter denotes the lack of statistically significant difference between groups.
| Grade 1 (n = 7) | Grade 2 (n = 29) | Grade 3 (n = 34) | p | |
| Age, mean ± SD | 46.14 ± 6.26 | 51.38 ± 13.32 | 44.04 ± 12.93 | 0.134 |
| Type, n (%) | ||||
| IDC | 4 (9.3) | 15 (34.9) | 24 (55.8) | 0.271 |
| ILC | 1 (16.7) | 4 (66.7) | 1 (16.7) | |
| Other | 2 (28.6) | 2 (28.6) | 3 (42.9) | |
| ADC-B 500 (×10−3), median (min–max) | 1.190 (0.108–1.630) | 1.020 (0.155–1.410) | 0.979 (0.108–1.630) | 0.485 |
| Ki-67 (%), median (min–max) | 5.00 (2.00–20.00)a | 6.00 (2.00–70.00)a | 40.00 (5.00–95.00)b | <0.001** |
| ER (%), median (min–max) | 90.00 (0.00–100.00) | 90.00 (20.00–100.00) | 75.00 (0.00–100.00) | 0.077 |
| PR (%), median (min–max) | 90.00 (0.00–90.00) | 90.00 (0.00–100.00) | 70.00 (0.00–100.00) | 0.263 |
| C-erb-B2, n (%) | ||||
| 0 | 7 (21.2) | 13 (39.4) | 13 (39.4) | 0.003* |
| 1 | 0 (0.0) | 7 (77.8) | 2 (22.2) | |
| 2 | 0 (0.0) | 0 (0.0) | 3 (100.0) | |
| 3 | 0 (0.0) | 1 (9.1) | 10 (90.9) | |
| Lymphovascular Invasion, n (%) | ||||
| Negative | 6 (16.2) | 15 (40.5) | 16 (43.2) | 0.291 |
| Positive | 1 (5.3) | 6 (31.6) | 12 (63.2) | |
| Neoadjuvant Chemotherapy, n (%) | ||||
| Absent | 6 (11.3) | 19 (35.8) | 28 (52.8) | 0.182 |
| Present | 1 (33.3) | 2 (66.7) | 0 (0.0) | |
Same letter (a, b, c, * and **) denotes the lack of statistically significant difference between groups. ADC, apparent diffusion coefficient; ER, estrogen receptore; IDC, invasive ductal carcinoma; ILC, invasive lobular carcinoma; PR, progesteron receptore; SD, standard deviation.