[Retracted] Clinical Study of Sentinel Lymph Node Detection to Evaluate Pelvic Lymph Node Metastasis to Determine the Prognosis of Patients with Early Cervical Cancer

Table 1

The relationship between clinicopathological features and lymph node metastasis.

Characteristics	No. of patients (%)		No. of patients with positive nodes(%)
Histology
Squamous cell carcinoma	310	89%	77	24.8%	>0.05
Adenocarcinoma	24	7%	5	20.8%	>0.05
Else	14	4%	3	21.4%
BMI
≦25	228	65.5%	58	25.4%	>0.05
>25, ≦30	101	29%	25	24.8%
>30	19	5.5%	2	10.5%
FIGO stage
Ia2	17	4.9%	1	5.9%	<0.01^a
Ib1	154	44.3%	26	16.9%
Ib2	72	20.7%	25	34.7%	<0.01^b
IIa1	31	8.9%	9	29%
IIa2	74	21.2%	24	32.4%
Differentiation
Grade I	67	19.2%	8	11.9%	<0.05^c
Grade II	146	42%	45	30.8%	<0.05^d
Grade III	135	38.8%	32	23.7%
Invasion depth
≤1/3	135	38.8%	20	14.8%	<0.01^e
1/3-2/3	51	14.7%	7	13.7%
>2/3	100	28.7%	26	26%	<0.01^f
Whole cervix	62	17.8%	32	51.6%
Tumor size (cm)
≤4 cm	241	69.8%	45	18.6%	<0.01
>4 cm	107	30.2%	40	37.7%
Preoperative radiotherapy
Yes	133	38.2%	37	27.8%	>0.05
No	215	61.8%	48	22.3%
Preoperative chemotherapy
Yes	122	35.1%	35	28.7%	>0.05
No	226	64.9%	50	22.1%

^{a, c, e} value between each group, ^b value between stage I and stage II, ^d value between grade I and grade II, and ^f value between ≦ 2/3 and>2/3.