Table 2.

Univariate analysis for disease-free survival and overall survival

Variables	n	No. of DODd	5y-DSSe (%)	p value	No. of death	5y-OSf (%)	p value
Age (years)
70≤	23	7	51.0	0.146	11	46.4	0.0049
70≥	17	7	82.6		7	82.6
Stage (FIGO 2009)
Ia	6	0	100	0.0028	0	100.0	0.0093
Ib	17	2	82.5		5	75.0
II	5	2	100		2	100.0
III	16	7	55.2		8	55.2
IV	4	3	33.3		3	33.3
Tumor size
4 cm≤	17	8	59.9	0.0577	9	54.9	0.0791
4 cm>	23	6	81.5		9	81.5
Inguinal LNa metastasis
Negative	22	4	89.8	0.0059	7	85.4	0.0161
Positive	18	10	51.9		11	51.9
Surgical resection margin
>5 mm	34	10	76.9	0.0243	13	74.1	0.0066
≤5 mm	6	4	50.0		5	50.0
Operation mode
RLEb	15	5	68.3	0.774	7	68.3	0.521
RVc	25	9	74.8		11	71.2

^aLymph node

^bRadical local excision

^cRadical vulvectomy

^dDied of disease

^eDisease-specific survival

^fOverall survival