Table 2: Serum and peritoneal fluid leptin/BMI ratio according to stage of endometriosis.

Controls Endometriosis rASRM
Stage I/IIStage III/IV

0.410.610.560.78
Serum
leptin/BMI
(0.22–0.71)(0.41–0.95)0.04(0.28–0.99)(0.43–0.96)0.08
Peritoneal fluid0.440.70.540.71
leptin/BMI(0.28–0.73)(0.45–1.18)0.07(0.28–1.36)(0.59–1.15)0.12

Data are presented as median and interquartile range (Mann-Whitney).
aControls versus rASRM stage I/II versus rASRM stage III/IV (Kruskal-Wallis).
rASRM stages: revised American Society for Reproductive Medicine classification (15).