Effect of COL4A1 Expression on the Survival of Neoadjuvant Chemotherapy Breast Cancer Patients

Table 2

Relationship of age, stage, and COL4A1 expression in 42 breast cancer patients who received neoadjuvant chemotherapy.

Characteristics	No.	COL4A1 expression		value
		Low (%); N = 17	High (%); N = 25
Age
<65	38	15 (39)	23 (61)	0.683
≥65	4	2 (50)	2 (50)
Stage
I, II	25	7 (28)	18 (72)	0.046
III, IV	17	10 (59)	7 (41)