Table 1.

Relationships between the expression of KIF15 and clinicopathologic features

	KIF15 expression		P value
	Low	High
Age
≥ 67	97	117	0.04686
< 67	108	86
Gender
Male	134	133	0.9469
Female	72	74
Race
Asian	38	49	0.09948
White	141	117
Pathology grade
I	24	24	0.5214
II	60	60
III	83	83
IV	23	23
T classification
T1	10	12	0.9448
T2	46	42
T3	89	90
T4	57	58
Histologic grade
G1/G2	64	94	0.005184
G3	137	109

High and low expression were distinguished by the median of KIF15 expression. The 67 years old is the median age of all samples