Periostin is up-regulated in high grade and high stage prostate cancer

BMC Cancer

Table 4 PSA relapse free survival in dependence of stromal and epithelial periostin expression and clinico-pathological parameters in the test cohort

Characteristic	No. of cases	No. of events	3-year PSA relapse rate (± SE) in %	p-values
Periostin stromal				0.373
low	152	46	77.1 ± 3.5
high	59	22	72.7 ± 5.8
Periostin epithelial				0.722
low	133	41	77.7 ± 3.6
high	78	27	72.6 ± 5.1
Age				0.514
≤ 64 years	108	33	79.2 ± 4.0
>64 years	103	35	74.3 ± 4.3
pT status				< 0.001
pT1/2	153	37	84.2 ± 3.0
pT3/4	58	31	56.4 ± 6.7
Gleason score				< 0.001
3-6	46	4	93.2 ± 3.8
7	131	44	76.0 ± 3.8
8-10	34	20	52.0 ± 8.7
Residual tumour ^a				< 0.001
R0	151	34	83.8 ± 3.0
R1	59	33	60.4 ± 6.4

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