Table 2. Clinical and pathological treatment response according to the Ki-67 tertile of the primary tumor.
| Response | Ki-67 expression |
P value | ||
|---|---|---|---|---|
| low | median | high | ||
| n = 99 (%) | n = 85 (%) | n = 96 (%) | ||
| Clinical response | ||||
| CR | 13 (13.1) | 20 (23.5) | 40 (41.7) | <0.001 |
| PR | 52 (52.5) | 43 (50.6) | 39 (40.6) | |
| SD/PD | 34 (34.3) | 22 (25.9) | 17 (17.7) | |
| Pathological response | ||||
| MP grades | <0.001 | |||
| 5/4 | 19 (19.3) | 45 (52.9) | 68 (70.8) | |
| 3 | 48 (48.5) | 32 (37.6) | 23 (24.0) | |
| 2/1 | 32 (32.3) | 8 (9.4) | 5 (5.2) | |
| Node involvement | <0.001 | |||
| 0 | 21 (21.2) | 38 (44.7) | 80 (83.3) | |
| 1−3 | 23 (23.3) | 32 (37.6) | 11 (11.5) | |
| 4+ | 55 (55.6) | 15 (17.6) | 5 (5.2) | |
Abbreviations: CR, complete response; PR, partial response; SD/PD, stable/progression disease; MP, Miller-Payne.