Table 4.

Multivariate Cox analysis of factors associated with overall survival in early-stage cohort

Variables	HR (95% CI)a	P
Tumor size (cm)
≤ 4 (reference)	1
> 4	1.704 (0.646–4.498)	0.282
Lymphovascular space invasion
No (reference)	1
Yes	2.595 (0.946–7.123)	0.064
Pelvic lymph node metastasis
No (reference)	1
Yes	3.935 (1.480–10.465)	0.006
DSG2
Low (reference)	1
High	4.234 (1.275–14.063)	0.018

^a 95% CI, 95% confidence interval; HR, hazard ratio