| Peritoneal Fluid TGF-β1 level (pg/mL) | Group | p value | |
| Endometriosis | Control | 
 | |
| 
 | n = 40 | n = 40 | <0.001 | 
| Median | 574.66 | 288.18 | 
 | 
| Renting | 154.14 - 1415.97 | 26.16 - 988.84 | 
 |