Table 3:

Survival analysis by Cox regression (univariate analysis) of parameters that influence overall survival in FIGO IB substages

	StageIB1			Stage 1B2			Stage 1B3
Variable	Overall survival HR	95% CI	p	Overall survival HR	95% CI	p	Overall survival HR	95% CI	p
Age	1.11	0.23-5.26	0.88	1.51	0.41-5.51	0.52	1.61	0.34-7.53	0.54
Surgical treatment	1.48	0.72-3.02	0.27	9.70	0.01-999.99	0.53	4.56	0.01-999.99	0.85
HPV status	4.67	0.94-23.25	0.05	1.99	0.52-7.53	0.30	2.42	0.47-12.35	0.28
Silva pattern	2.25	0.63-8.10	0.21	3.10	0.56-16.95	0.19	10.87	0.002-74039.22	0.59
Histologic grade	2.64	0.92-7.56	0.06	1.18	0.45-3.07	0.73	2.51	0.71-8.92	0.15
Lymph-vascular invasion	3.24	0.77-13.62	0.10	2.68	0.82-8.76	0.10	2.10	0.25-17.67	0.49
Precursor lesions	2.26	0.50-10.10	0.28	1.60	0.46-5.55	0.45	1.70	0.28-10.37	0.56
Lymph node metastases	6.05	1.51-24.25	0.011	2.43	0.64-9.19	0.18	7.77	0.70-86.02	0.09

FIGO, International Federation of Gynecology and Obstetrics; HPV, human papillomavirus