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