Table 2 Univariate and multivariate analyses of factors affecting cancer specific survival and overall survival

Age

0.566

0.865

 <62

819 (62.4)

1

1

 ≥62

493 (37.6)

1.095 (0.803-1.492)

0.977 (0.750-1.273)

Race

 White

1098 (83.7)

1

1

 Black

91 (6.9)

0.602

1.166 (0.649-2.108)

0.154

1.397 (0.882-2.213)

 Unknown

123 (9.4)

0.633

0.861 (0.466-1.591)

0.426

0.802 (0.466-1.380)

Lymphadenectomy

0.001

0.001

0.002

0.002

 Inadequate

738 (56.2)

1

1

1

1

 Adequate

574 (43.8)

0.596 (0.440-0.809)

0.604 (0.445-0.819)

0.665 (0.513-0.856)

0.669 (0.518-0.864)

Grade

 G1-G2

195 (14.9)

1

1

1

1

 G3-G4

937 (71.4)

0.001

2.727 (1.540-4.829)

0.009

2.189 (1.215-3.941)

0.002

1.897 (1.255-2.867)

0.037

1.580 (1.029-2.427)

 Unknown

180 (13.7)

0.003

2.759 (1.429-5.328)

0.007

2.473 (1.275-4.795)

0.016

1.859 (1.125-3.070)

0.041

1.695 (1.022-2.811)

Laterality

0.752

0.719

 Unilateral

1254 (95.6)

1

1

 Bilateral

58 (4.4)

0.886 (0.356-2.110)

1.130 (0.580-2.201)

FIGO stage

0.004

0.031

0.026

0.128

 I

770 (58.7)

1

1

1

1

 II

542 (41.3)

1.568 (1.157-2.125)

1.405 (1.032-1.912)

1.340 (1.035-1.735)

1.226 (0.943-1.593)

Histology

0.006

0.064

0.003

0.024

 Serous

903 (68.8)

1

1

1

1

 Non-serous

409 (31.2)

0.624 (0.445-0.875)

0.720 (0.509-1.019)

0.649 (0.490-0.859)

0.716 (0.536-0.956)

Tumor size

 <5cm

733 (55.9)

1

1

 ≥5cm

370 (28.2)

0.437

1.153 (0.805-1.650)

0.596

0.920 (0.676-1.252)

 Unknown

209 (15.9)

0.088

1.394 (0.952-2.041)

0.540

1.109 (0.799-1.536)

Radiotherapy

0.511

0.372

 No

1282 (97.7)

1

1

 Yes

30 (2.3)

1.314 (0.582-2.971)

1.355 (0.695-2.641)

Chemotherapy

0.510

0.987

 No

400 (30.5)

1

1

 Yes

912 (69.5)

0.896 (0.646-1.242)

0.998 (0.762-1.307)