Ki-67 Expression by Immunohistochemistry and Quantitative Real-Time Polymerase Chain Reaction as Predictor of Clinical Response to Neoadjuvant Chemotherapy in Locally Advanced Breast Cancer

Table 2

Relation of Ki-67 expression with chemotherapy response in breast cancer.

Ki-67 expression	Chemotherapy response		Total
	Responsive	Nonresponsive
Positive	20 (76.9%)	6 (23.1%)	26 (100%)
Negative	10 (45.5%)	12 (54.5%)	22 (100%)
Total	30 (62.5%)	18 (37.5%)	48 (100%)

Chi-square  ; df = 1; ().