Table 1 Clinicopathological features of patients with OSCs

Age at diagnosis, yrs, median (min-max)

52 (44–71)

63.5 (37–89)

0.028*

FIGO stage, n (%)

I-II

4 (36.4)

6 (8.6)

0.026^†

III-IV

7 (63.6)

64 (91.5)

Mitotic activity, median (min-max)

9 (1–12)

27 (13–65)

< 0.001*

Vascular invasion, n (%)

No

10 (90.9)

20 (28.6)

< 0.001^†

Yes

1 (9.1)

50 (71.4)

Residual tumor, n (%)

No

7 (63.6)

12 (17.1)

0.019^†

≤ 2 cm

1 (9.1)

14 (20.2)

≥ 2 cm

3 (27.3)

44 (62.9)