Table 1. Characteristics of the studies of human data

Study, Year	Study design	No. of case/control	Samples	Metabolites	Results of endometriotic patients
Cobellis et al., 2003	Case-control	35/24	Blood	DEHP, MEHP	Higher plasma DEHP
			Peritoneal fluid		Detectable peritoneal fluid DEHP and/or MEHP
Reddy et al., 2006	Case-control	49/38	Blood	BBP, DEHP, DnBP, DnOP	Higher BBP, DEHP, DnBP, DnOP
Kim et al., 2011	Case-control	97/169	Blood	DEHP, MEHP	Higher DEHP, MEHP
Buck Louis et al., 2013	Cohort (Population)	14/113	Urine	MBP, MBzP, MCHP, MCMHP, MCPP, MECCP, MEHHP, MEHP, MEOHP, MEP, MIBP, MMP, MNP, MOP	Two fold higher MBP, MCMHP, MECPP, MEHP, MEHHP, MEOHP
	Cohort (Operatvie)	190/283	Urine		Higher MEHP, MOP,
Kim et al., 2015	Cohort	55/33	Urine	MBzP, MECCP, MEHHP, MEOHP, MnBP	Higher MEHHP, MEOHP, Log MECPP, Log MEHHP, Log MEOHP
Itoh et al., 2009	Case-control	57/80	Urine	MBzP, MEHHP, MEHP, MEOHP, MEP, MnBP	No significant association
Weuve et al., 2010	Case-sectional	87/1020	Urine	MBP, MBzP, MEHHP, MEHP, MEOHP, MEP	Higher MBP, Lower MEHP