Table 3

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

VariableStage IB1Stage IB2Stage IB3
Overall survivalOverall survivalOverall survival
HR95% CIP valueHR95% CIP valueHR95% CIP value
Age1.110.23 to 5.260.881.510.41 to 5.510.521.610.34 to 7.530.54
Surgical treatment1.480.72 to 3.020.279.700.01 to 999.990.534.560.01 to 999.990.85
HPV status4.670.94 to 23.250.051.990.52 to 7.530.302.420.47 to 12.350.28
Silva pattern2.250.63 to 8.100.213.100.56 to 16.950.1910.870.002 to 74 039.220.59
Histologic grade2.640.92 to 7.560.061.180.45 to 3.070.732.510.71 to 8.920.15
Lymphovascular invasion3.240.77 to 13.620.102.680.82 to 8.760.102.100.25 to 17.670.49
Precursor lesions2.260.50 to 10.100.281.600.46 to 5.550.451.700.28 to 10.370.56
Lymph node metastases6.051.51 to 24.250.0112.430.64 to 9.190.187.770.70 to 86.020.09
  • FIGO, International Federation of Gynecology and Obstetrics; HPV, human papillomavirus.