Table 1.

Expression of miR-133a in adjacent normal, benign, and cancerous breast tissues

		miR-133a expression, n (%)
	No.	Negative	Positive
Breast cancer	90	66 (73.3)	24 (26.7)*
Benign breast disease	26	12 (46.2)	14 (53.8)
Adjacent normal	34	19 (55.9)	15 (44.1)

*P < 0.05