Table 1. Clinicopathologic correlations of periostin expression in 80 pancreatic cancer patients.

Parameters	High expression (n = 64)	Low expression (n = 16)	P
Gender
Male	37	11	0.424
Female	27	5
Age			0.502
< 60	30	9
≥ 60	34	7
pT stage			0.019
T1	6	6
T2	39	8
T3	19	2
pN stage			0.001
N0	11	12
N1	28	2
N2	21	1
N3	4	1
Distant metastases			0.035
No	38	14
Yes	26	2
Perineural invasion			0.003
No	25	13
Yes	39	3
Tumor volume (cm3)	34.6 (2.3, 312.7)	18.5 (1.2, 230)	0.005