Variable

(Cut off point)

Group

p value

OR

Endometriosis (n = 40)

Control (n = 40)

(CI 95%)

1. TGF-β1serum level (pg/mL)

<0.001

13.632

>33,352.71

21

3

(3.60 - 51.55)

≤33,352.71

19

37

2. Peritoneal fluid TGF-β1 level (pg/mL)

<0.001

11.667

>336.05

35

15

(3.75 - 36.29)

≤336.05

5

25