Research Article

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 3

Relationships between Ki-67 mRNA expression with chemotherapy response in breast cancer.

Ki-67 mRNA expressionChemotherapy responseTotal
ResponsiveNonresponsive

High16 (76.2%)5 (23.8%)21 (100%)
Low1 (11.1%)8 (88.9%)9 (100%)

Total17 (56.7%)13 (43.3%)30 (100%)

Chi-squareā€‰ā€‰; df = 1; ().