Table 2 Univariate analysis of OS and CSS in the training cohort

 X < 30

Reference

Reference

 30 ≤ X < 50

0.628 (0.461–0.855)

0.597 (0.427–0.835)

 50 ≤ X < 70

0.859 (0.622–1.187)

0.722 (0.506–1.031)

 X ≥ 70

1.737 (1.167–2.587)

1.025 (0.623–1.686)

 White

Reference

Reference

 Black

1.363 (1.025–1.810)

1.512 (1.106–2.067)

 Others

0.835 (0.628–1.109)

0.773 (0.552–1.083)

 Married

Reference

Reference

 Single

1.089 (0.887–1.337)

1.030 (0.818–1.297)

 Divorced / Separated

1.369 (1.071–1.751)

1.193 (0.897–1.588)

 Widowed

1.820 (1.301–2.546)

1.161 (0.740–1.823)

 Squamous cell carcinoma

Reference

Reference

 Adenocarcinoma

1.285 (1.043–1.581)

1.345 (1.063–1.701)

 Adenosquamous

1.284 (0.944–1.746)

1.298 (0.912–1.848)

 Well differentiation

Reference

Reference

 Moderate differentiation

1.133 (0.707–1.815)

1.326 (0.753–2.335)

 Poor differentiation

1.406 (0.884–2.236)

1.524 (0.871–2.667)

 Confined to the cervix uteri / uterus

Reference

Reference

 Extension beyond uterus

2.044 (1.718–2.432)

2.013 (1.650–2.456)

 X < 2

Reference

Reference

 2 ≤ X < 4

2.323 (1.498–3.602)

2.933 (1.650–5.214)

 X ≥ 4

4.574 (2.998–6.980)

6.407 (3.672–11.180)

 Yes

Reference

Reference

 No

1.314 (1.047–1.651)

1.232 (0.944–1.608)

 Yes

Reference

Reference

 No

0.906 (0.729–1.126)

0.778 (0.599–1.011)

 Preserve uterus

Reference

Reference

 Hysterectomy

0.537 (0.443–0.652)

0.504 (0.405–0.627)