Table 2.

Relationship between PRDM5 expression and clinicopathological characteristics in Validation Data Set

	PRDM5 LOW	PRDM5 HIGH	P-value
Patient characteristics	N = 178	N = 77
Sex			0.177
female	54	17
male	124	60
Age			0.496
≧60	134	61
<  60	44	16
T stage			0.012
I-II	67	35
III-IV	111	42
N stage			0.061
N0	93	50
YES	85	27
M stage			0.540
N0	177	76
YES	1	1
TNM stage			0.013
I-II	95	54
III-IV	83	23
Histological grade			0.030
Well	19	14
Moderately	89	45
Poorly	70	18
Nerve invasion			0.232
N0	167	75
YES	11	2
Vascular invasion			0.045
N0	147	71
YES	31	6