Distribution of women with endometriosis and controls according to birth weight categories.

a Data are presented as mean ± standard deviation;
b Student t-test for two-by-two comparison to controls;
c ANOVA comparing all 4 groups (controls, SUP, OMA and DIE)
d Chi-square test;
e Fischer exact test;
f Fischer exact test comparing all 4 groups of endometriosis (controls, SUP, OMA and DIE), according to birth weight category;
SUP: superficial endometriosis; OMA: endometrioma; DIE: deep infiltrating endometriosis
Distribution of women with endometriosis and controls according to birth weight categories.