Table 2.

Correlation between claudin expression and clinicopathological parameters of the triple-negative breast cancer patients

Clinicopathological parameters	Number of patients		P
	Low expression (n=16; 20%), n (%)	High expression (n=65; 80%), n (%)
Age (years)
≤55	9 (56)	44 (68)	0.38
>55	7 (44)	21 (32)
Tumor size
T1	6 (37)	19 (29)	0.52
T2-T4	10 (63)	46 (71)
Nodal status
N0	4 (25)	14 (24)	0.91
N1-N2	12 (75)	45 (76)
Grade
I-II	6 (37)	20 (61)	0.60
III	10 (63)	45 (69)
Stage
I-II	12 (75)	48 (74)	0.92
III-IV	4 (25)	17 (26)
Ki-67 (%)
≤30	9 (56)	26 (40)	0.24
>30	7 (44)	39 (60)
Metastasis
Yes	3 (19)	5 (8)	0.19
No	13 (81)	60 (92)