Prediction of breast cancer sensitivity to neoadjuvant chemotherapy based on status of DNA damage repair proteins

Breast Cancer Research

Table 1 Patient characteristics

Characteristic factor	Number of patients	Characteristic factor	Number of patients
Age at treatment start		Cancer stage
Median	50	I	0
Range	34-68	II	53
Lymph node metastasis		III	5
Negative	36	IV	2
Positive	24	Intrinsic subtype*
Tumor stage		Luminal A	37
T1	0	Luminal B	6
T2	54	HER2	11
T3	6	Basal-like	6
T4	0	Total	60

* intrinsic subtypes were approximated by immunohistochemical receptor status. HER, human epidermal growth factor receptor.

ISSN: 1465-542X