High expression of protein phosphatase 4 is associated with the aggressive malignant behavior of colorectal carcinoma

Table 1 Associations between PP4C expression levels and clinicopathologic features of colorectal cancer patient

Clinicopathologic Variables		PP4C expression		P
	N	Negative/Low	High
Gender				0.403
Female	59	34	25
Male	33	17	16
Age, y				0.251
≤50	34	20	14
>50	58	31	27
Tumor location				0.256
Colon	42	26	16
Rectum	50	25	25
Differentiation				0.413
Well	27	14	13
Moderately	47	29	18
Poorly	18	8	10
Lymph node metastasis				0.0013*
Yes	27	8	19
No	65	43	22
Vascular invasion				0.0029*
Yes	28	9	19
No	64	42	22
Distant metastasis				0.0081*
Yes	11	2	9
No	81	49	32
AJCC stage				0.0108*
I-II	36	26	10
III-IV	56	25	31

Abbreviations: AJCC, American Joint Committee on Cancer (AJCC). *Statistically significant, P <0.05.

ISSN: 1476-4598