Table 2.

The VIP, fold change, and FDR of the six key metabolites.

ID	FC	FDR	VIP	AUC	95% CI
N-Acetyl-5-hydroxytryptaMine	4.36	< 0.001	3.7	0.74	0.60–0.82
Glucose	4.46	< 0.001	3.6	0.71	0.60–0.82
Dehydroascorbic acid	50.80	0.0001	3.5	0.72	0.61–0.82
Isopropyl-beta-d-thiogalactopyranoside	2.49	0.0004	2.3	0.63	0.50–0.75
1,5-Anhydro-d-sorbitol	4.58	< 0.001	1.8	0.75	0.65–0.86
Glutamic acid	62.91	0.0064	1.7	0.65	0.53–0.79

AUC area under the receiver operator characteristic curve, FC fold change (PHN/ACP), FDR false discovery rate, VIP influence on projection.