Table 1 Characteristics of EMS and control patients

Subjects (n)

32

17

15

18

 I

7 (21.9%)

7

 II

10 (31.2%)

10

 III

8 (25.0%)

8

 IV

7 (21.9%)

7

Uterine leiomyoma

10 (55.6%)

Ovarian benign cysts

8 (44.4%)

Age (years)^a

32.6 ± 1.10

33.8 ± 1.53

31.3 ± 1.58

33.3 ± 1.23

NS

Menstrual days

27.6 ± 0.63

27.4 ± 0.88

27.9 ± 0.92

27.8 ± 0.76

NS

CA125^b

83.0 ± 10.2

72.4 ± 14.9

95.1 ± 13.7

9.48 ± 0.86

< 0.0001