Variable | Stage IB1 | Stage IB2 | Stage IB3 | ||||||
Overall survival | Overall survival | Overall survival | |||||||
HR | 95% CI | P value | HR | 95% CI | P value | HR | 95% CI | P value | |
Age | 1.11 | 0.23 to 5.26 | 0.88 | 1.51 | 0.41 to 5.51 | 0.52 | 1.61 | 0.34 to 7.53 | 0.54 |
Surgical treatment | 1.48 | 0.72 to 3.02 | 0.27 | 9.70 | 0.01 to 999.99 | 0.53 | 4.56 | 0.01 to 999.99 | 0.85 |
HPV status | 4.67 | 0.94 to 23.25 | 0.05 | 1.99 | 0.52 to 7.53 | 0.30 | 2.42 | 0.47 to 12.35 | 0.28 |
Silva pattern | 2.25 | 0.63 to 8.10 | 0.21 | 3.10 | 0.56 to 16.95 | 0.19 | 10.87 | 0.002 to 74 039.22 | 0.59 |
Histologic grade | 2.64 | 0.92 to 7.56 | 0.06 | 1.18 | 0.45 to 3.07 | 0.73 | 2.51 | 0.71 to 8.92 | 0.15 |
Lymphovascular invasion | 3.24 | 0.77 to 13.62 | 0.10 | 2.68 | 0.82 to 8.76 | 0.10 | 2.10 | 0.25 to 17.67 | 0.49 |
Precursor lesions | 2.26 | 0.50 to 10.10 | 0.28 | 1.60 | 0.46 to 5.55 | 0.45 | 1.70 | 0.28 to 10.37 | 0.56 |
Lymph node metastases | 6.05 | 1.51 to 24.25 | 0.011 | 2.43 | 0.64 to 9.19 | 0.18 | 7.77 | 0.70 to 86.02 | 0.09 |
FIGO, International Federation of Gynecology and Obstetrics; HPV, human papillomavirus.