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Table 3 Risk factors for overall survival of ASOC patients by univariate and multivariate analyses

From: Differences between primary peritoneal serous carcinoma and advanced serous ovarian carcinoma: a study based on the SEER database

Clinical features

Univariate analysis

Multivariate analysis

HR

95% CI

P value

HR

95% CI

P value

Age

  ≤ 49

Reference

–

–

Reference

–

–

 50–69

1.50

1.35–1.67

<  0.001

1.38

1.24–1.54

<  0.001

  ≥ 70

2.45

2.19–2.74

<  0.001

1.97

1.75–2.21

<  0.001

Race

 White

Reference

–

–

Reference

–

–

 Black

1.20

1.07–1.36

0.002

1.19

1.05–1.34

0.005

 others

0.87

0.76–0.98

0.022

0.90

0.79–1.02

0.083

Marital status

 Married

Reference

–

–

Reference

–

–

 Not married

1.32

1.24–1.41

<  0.001

1.21

1.13–1.29

<  0.001

 Unknown

1.28

1.08–1.52

0.004

1.12

0.94–1.32

0.205

Tumor grade

 I

Reference

–

–

Reference

–

–

 II

1.87

1.38–2.53

<  0.001

1.86

1.38–2.53

<  0.001

 III

2.47

1.86–3.29

<  0.001

2.29

1.72–3.05

<  0.001

 IV

2.34

1.76–3.11

<  0.001

2.35

1.77–3.13

<  0.001

 AJCC stage

 III

Reference

–

–

Reference

–

–

 IV

1.63

1.53–1.74

0.001

1.47

1.37–1.57

<  0.001

Chemotherapy

 No/Unknown

Reference

–

 

Reference

–

–

 Yes

0.48

0.44–0.52

<  0.001

0.50

0.46–0.55

<  0.001

Surgery

 No/Unknown

Reference

–

–

Reference

–

–

 Yes

0.24

0.21–0.27

<  0.001

0.33

0.29–0.37

<  0.001

  1. ASOC advanced serous ovarian cancer, HR hazard ratio, CI confidence interval, AJCC American Joint Committee on Cancer
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Journal of Ovarian Research

ISSN: 1757-2215

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