Table 5.

Clinical correlation analysis of RASEF

Groups		Number	RASEF				χ2	P	Mean Rank
			-	+	++	+++
Gender	Male	50	14	14	13	9	0.414	0.520	47.75
	Female	48	12	11	15	10			51.32
Age	<55	70	24	18	18	10	1.968	0.161	47.04
	≥55	28	6	7	9	6			55.64
Smoking	Yes	34	8	8	6	12	0.353	0.552	51.76
	No	64	16	13	21	14			48.30
FIGO staging	I+II	86	17	34	18	17	10.270	0.001*	46.20
	III+IV	12	1	1	1	9			73.17
Lymphatic Metastasis	N1~3	36	9	11	8	8	0.001	0.973	49.63
	N0	62	17	14	20	11			49.43

^*P<0.05.