Table 6 Multivariate analysis of factors affecting the overall survival of 609 cervical cancer patients using Cox proportional hazard model

Size of primary tumor

0.117

1.457

0.910

2.332

FIGO Stage

<0.001

1.793

1.510

2.127

Histologic grade

<0.001

1.696

1.314

2.189

Pathologic type

0.248

1.146

0.909

1.444

Depth of primary tumor invasion

0.954

1.012

0.675

1.516

NLNs count

0.132

1.260

0.932

1.703

RPL

<0.001

2.409

1.980

2.929