Table 3 Comparative analysis of clinical features of EAOC and non-EAOC patients (n, x ± s)

Ascites

0.666

 Yes

39

56

 No

35

44

Tumor size

0.769

 ≥ 10 cm

45

63

 <10 cm

29

37

Tumor side

0.355

 Unilateral

53

65

 Bilateral

21

35

Type of surgery

0.804

 R0

66

87

 R1

9

10

 R2

2

3

Biomaker

 CA125(U/ml)

448.9 ± 980.0

739.8 ± 1141.4

0.080

 HE4(pmol/L)

203.4 ± 240.0

264.5 ± 217.5

0.620

 CA19.9(U/ml)

194.0 ± 460.4

274.2 ± 546.7

0.465