Table 2.

Main serum metabolites contributing towards discrimination between endometriosis and controls.

Metabolites	δ 1H (ppm)	Fold changes (relative to controls)
Glucose	3.26	0.26
Alanine	1.5	0.32
Creatine	3.06	0.13
2-hydroxybutyrate	3.96	1.55
Lactate	4.11	1.92
L-lysine	3.04	1.72
Pyruvate	2.47	1.58
Succinic acid	2.39	1.48
Adipic acid	1.54	1.61
L-leucine	0.99	0.51
Citric acid	2.54	1.67
L-iso leucine	1.03	0.82
Glycerophosphocholine	3.66	1.85
L-asparagine	2.84	0.41
L-arginine	1.64	0.94