Table 1 Patient characteristics

Age, mean ± SD (year)

51.5 ± 9.8

48.1 ± 8.6

0.058*

BMI, median [quartile] (kg/m²)

22.1[19.9–24.6]

21.2[20.0-23.5]

0.446‡

CA125, n(%)

0.151†

 <35U/ml

14(26.4)

8(15.1)

 ≥35U/ml

39(73.6)

45(84.9)

Surgical procedure, n (%)

0.587†

 Laparoscopy

46(86.8)

44(83.0)

 Laparotomy

7(13.2)

9(17.0)

Ascites, n (%)

0.119†

 No

33(62.3)

25(47.2)

 Yes

20(33.7)

28(52.8)

Intraoperative stage, n (%)

0.625†

 I

29(54.7)

27(50.9)

 II

15(28.3)

13(24.5)

 III

9(17.0)

13(24.5)

Cytology, n (%)

0.169†

 Negative

34(64.2)

27(50.9)

 Positive

19(35.8)

26(49.1)

Final stage, n (%)

0.351†

 I

27(50.9)

22 (41.5)

 II

12(22.6)

10(18.9)

 III

14(26.4)

21(39.6)

Histologic type, n (%)

 High-grade serous

29(54.7)

30(56.6)

0.845†

 Low-grade serous

1(5.3)

1(5.3)

 Clear cell

8(15.1)

8(15.1)

 Endometrioid

8(15.1)

4(7.5)

 Mucinous

4(7.5)

10(18.9)

 Others

3(5.7)

0(0)

Omentum involvement, n (%)

0.005†

 Yes

4(7.5)

15(28.3)

 No

49(92.5)

38(71.7)

Lymphatic involvement, n (%)

0.780†

 Yes

7(13.2)

8(15.1)

 No

46(86.8)

45(84.9)