Table 3 Univariate analysis of potential prognostic factors for survival of 99 advanced serous epithelial ovarian carcinoma patients

1. FIGO Staging

   III

1

-

0.6188

   IV

1.21

0.58–2.56

2. Histologic grade

   1

1

-

0.6569

   2

1.31

0.74–2.30

   3

1.13

0.86–2.26

3. Residual tumor (cm)

   None

1

-

0.3046

   >0–≤1

2.24

0.79–6.37

   >1–≤2

0.99

0.21–4.62

   >2

1.75

0.87–3.66

4. Chemotherapy response

   Complete

1

-

0.0001

   Partial

0.99

0.39–2.53

   Stable

3.47

1.52–7.91

   Progressive

3.80

2.12–6.82

5. WT1 staining

   No

1

-

0.0001

   Yes

2.79

1.70–4.57

6. Percent staining

   0

1

-

0.0008

   1–25

4.05

1.89–8.70

   26–50

2.50

1.30–4.82

   51–75

1.97

0.86–4.54

   ≥76

3.58

1.61–7.96

7. Intensity

   0

1

-

0.0002

   1+

2.56

1.47–4.48

   2+ or 3+

3.23

1.70–6.14