Table 2.

Relationship between expression of PLOD2 and patient characteristics

Characteristics	Number	PLOD2		P value
		Low	High
Total number	50	23	27
Age (years)
< 50	21	10	11	NS
≥ 50	29	13	16
Tumor size (cm)
< 2	31	14	17	NS
≥ 2	19	9	10
Tumor stage
I-II	34	21	13	0.003
III-IV	16	2	14
ER status
Negative	20	10	10	NS
Positive	30	13	17
PR status
Negative	24	17	7	0.001
Positive	26	6	20
HER-2 status
Negative	18	6	12	NS
Positive	32	17	15
Ki-67 status
Negative	21	3	18	< 0.001
Positive	29	20	9
Lymph nodal status
Negative	30	20	10	0.001
Positive	20	3	17

P values were calculated by χ² test; NS represented not significant.