Table 1 Clinicopathological characteristics, stratified by LVSI status.

Age(y)^a

57.6 ± 9.5

57.4 ± 9.5

58.4 ± 9.6

CA125 level(U/mL)^#

23.2(15.0-53.3)

22.3(14.2–38.9)

30.3(22.0-212.6)

Tumor volume(cm³)^#

5.4(2.6–23.2)

4.7(2.0-12.3)

26.1(4.5–64.9)

FIGO stage

  Ⅰ

78(77.2%)

69(87.3%)

9(40.9%)

< 0.001^*

  Ⅱ

9(8.9%)

5(6.3%)

4(18.2%)

  Ⅲ

12(11.9%)

4(5.1%)

8(36.4%)

  Ⅳ

2(2.0%)

1(1.3%)

1(4.5%)

Myometrial invasion

 < 50%

77(76.2%)

68(86.1%)

9(40.9%)

< 0.001*

 ≥ 50%

24(23.8%)

11(13.9%)

13(59.1%)

Histologic grade

 Low

83(82.2%)

72(91.1%)

11(50.0%)

< 0.001^*

 High

18(17.8%)

7(8.9%)

11(50.0%)

Histologic subtype

 Endometrioid

95(94.1%)

77(97.5%)

18(81.8%)

0.006^*

 Non-endometrioid

6(5.9%)

2(2.5%)

4(18.2%)