Table 1.

The correlation between MAP2K3 expression and clinical pathology parameters in ESCC

Parameters		Case n = 140	Expression		Result
			High(n = 52)	Low(n = 88)
Age	≤57	62	14	48
	>58	78	38	40	P < 0.01*
Gender	male	106	44	62
	female	34	8	26	P = 0.264
Differentiated	poor	48	28	20
	mid	86	26	60
	well	6	6	0	P < 0.01*
Location	Upper	16	8	8
	Middle	108	38	70
	Lower	16	6	10	P = 0.879
Tumor size	>5cm	46	16	30
	<5cm	94	36	58	P = 0.31
Clinical stage	II	74	32	42
	III	62	20	42
	IV	4	0	4	P = 0.442
Adventitia invasion	T1–T2	32	14	18
	T3–T4	108	38	70	P = 1
Lymph node metastasis	No	78	38	40
	Yes	62	22	40	P = 0.337
Distal metastasis	No	136	52	84
	Yes	4	0	4	P = 0.502