Habitat Analysis of Breast Cancer-Enhanced MRI Reflects BRCA1 Mutation Determined by Immunohistochemistry

Table 1

Clinical characteristics of patients with breast cancer.

Characteristics	Training group ()	Test group ()
Age (years)	55.2	56.1
ER
Positive	80	19
Negative	20	6
PR
Positive	67	18
Negative	23	7
HER2
Positive	31	5
Negative	69	20
Stage I	69	20
Stage II	23	4
Stage III	5	1
Stage IV	3	0
Lymphonodus
Positive	30	8
Negative	70	17
BRCA1
Positive	69	20
Negative	31	5

ER: estrogen receptor; PR: progesterone receptor; HERK2: human epidermal growth factor receptor 2; BRCA1: BReast CAncer gene 1.