Texture Analysis of Enhanced MRI and Pathological Slides Predicts EGFR Mutation Status in Breast Cancer

Table 1

Clinical characteristics of patients with breast cancer.

Characteristics	Training group ()	Test group ()
Age (years)	55.3	55.9
ER
Positive	64	26
Negative	15	9
PR
Positive	53	25
Negative	26	10
HER2
Positive	24	7
Negative	55	28
Stage I	55	28
Stage II	17	5
Stage III	4	2
Stage IV	3	0
Lymphonodus
Positive	25	11
Negative	54	24
EGFR
Positive	48	21
Negative	31	14

ER: estrogen receptor; PR: progesterone receptor; HERK2: human epidermal growth factor receptor 2; EGFR: epidermal growth factor receptor.