Table 1.

Correlation between stromal KDM2A expression and various clinicopathological factors.

Parameters	Category	No. of case	Stromal KDM2A expression		P value
			Low	High
Age (years)	<60 years	138	69	69	1.000
	≧60 years	46	23	23
Primary tumour (T)	T1	84	53	31	0.001a
	T2	85	36	49
	T3–4	15	3	12
Nodal status (N)	N0	114	64	50	0.034a
	N1–N2	70	28	42
Stage	I	66	42	24	0.011a
	II	101	45	56
	III	17	5	12
Histological grade	Grade I	13	11	2	0.004a
	Grade II	129	55	74
	Grade III	39	24	15

^aStatistically significant.