Table 2 Association of miR-133a expression with clinicopathological parameters from breast cancer patients

Age (years)

≤ 35

6

0 (0)

0.162

35-55

48

16 (33.3)

> 55

36

8 (22.2)

Tumor size (cm)

≤ 2

4

2 (20.0)

0.523

2-5

68

18 (26.5)

> 5

18

4 (22.2)

Lymph node metastases

0

29

13 (44.8)

0.023

1-3

33

7(21.2)

> 3

28

4 (14.3)

Tumor grade

I

4

1 (25.0)

0.153

II

57

19 (33.3)

III

29

4 (13.8)

Tumor stage

I

0

0 (0)

0.021

II

50

19(38.0)

III

36

4 (11.1)

IV

4

1(25.0)

Estrogen receptor

-

57

15 (26.3)

0.921

+

33

9 (27.3)

Progesterone receptor

-

56

13 (23.2)

0.705

+

34

11 (32.4)

c-erbB-2 expression

Low

62

14 (22.6)

0.192

High

28

10(35.7)