Research Article
Can Ki-67 Play a Role in Prediction of Breast Cancer Patients' Response to Neoadjuvant Chemotherapy?
Table 3
Therapeutical aspects as a function of Ki-67.
| Parameter | Ki-67 ≤15% |
Ki-67 16–50% | Ki-67 >50% | |
| Number of patients | 22 | 37 | 18 | | Initial sonographic tumor diameter (mm) | 29.3 ± 14.0 | 32.2 ± 15.0 | 31.1 ± 10.4 | 0.738 | Postoperative histologic tumor diameter (mm) | 14.6 ± 9.9 | 18.6 ± 21.7 | 11.0 ± 15.3 | 0.312 | Change (% from initial tumor size) | 57.9 ± 44.9 | 52.0 ± 66.2 | 39.4 ± 50.7 | 0.590 | Sonographic change (% from initial tumor size) | 47.6 ± 22.2 | 38.2 ± 32.8 | 34.4 ± 37.0 | 0.373 | Grade of regression (Sinn) | 1.7 ± 1.1 | 2.2 ± 1.2 | 2.1 ± 1.4 | 0.310 | Number of patients with pCR | 4 (18.1%) | 10 (27%) | 6 (33.3%) | |
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