. Author manuscript; available in PMC: 2016 Sep 30.

Published in final edited form as: Cancer. 2012 Aug 28;119(3):488–494. doi: 10.1002/cncr.27737

Table 1. Aldehyde Dehydrogenase 1 (ALDH1) Expression in Benign and Cancerous Lesions of the Breast.

Variable	Benign (n = 69) N (%)	Cancer (n = 104) N (%)	P
Mean age, y	24 (±8.4)	49 (±13.4)	<.001
Stromal ALDH1			.043
Negative	29 (42.0)	60 (58.0)
Positive	40 (58.0)	44 (42.3)
Epithelial ALDH1			.813
Negative	58 (84.1)	86 (82.7)
Positive	11 (15.9)	18 (17.3)
Joint expression			.099
Negative	29 (42.0)	57 (54.8)
Positive	40 (58.0)	47 (45.2)