Table 1 Clinical characteristics of the study subjects

Age, (years)

30.71 ± 3.46

29.36 ± 3.15

0.058

Age of menarche, (years)

13.32 ± 1.16

13.02 ± 1.19

0.245

Endometrioma volume, (mm³)

117.71 ± 13.97

117.93 ± 15.79

0.954

Pre-operation serum E2, (pg/mL)

89 ± 68.26

90 ± 47.78

0.834

Pre-operation serum P, (ng/mL)

2.46 ± 1.43

0.43 ± 0.34

< 0.001***

Gravidity, n (%)

0

24(54.54%)

24 (54.54%)

1

≥ 1

20(45.45%)

20 (45.45%)

Parity, n (%)

0

24(54.54%)

26 (59.09%)

0.674

≥ 1

20(45.45%)

18 (40.90%)

Infertility, n (%)

15

16

0.823

Dysmenorrhea, n (%)

13(29.54%)

16 (36.36%)

0.501

r-AFS Staging, n (%)

I-II

0

0

/

III

18(40.90%)

21 (47.73%)

0.524

IV

26(59.09%)

23 (52.27%)

Blood loss, (mL)

43.86 ± 9.72

43.86 ± 21.83

1

Operation time, (min)

65.82 ± 9.21

67.73 ± 10.26

0.355