Table 1.

Identification of potential biomarkers of rat plasma samples between control group and cervicitis module group.

No.	Name	Retention time	M.F	Error (ppm)	Ion mode	VIP	P-value	AUC
1	3-Methyl-5-propyl-2-furanundecanoic acid	18.63	C19H32O3	−1.1	[M+H]+	1.02	1.19E-06	0.904
2	Acetylcarnitine#	1.11	C9H17NO4	−2.6	[M+H]+	1.15	1.49E-03	0.786
3	Etiocholanolone#	16.71	C19H30O2	−0.5	[M+NH4]+	2.87	3.29E-10	0.991
4	LysoPC(18:2)	10.48	C26H50NO7P	−3.1	[M+H]+	10.22	4.41E-04	0.801
5	LysoPC(18:3)#	11.25	C26H48NO7P	−4.2	[M+H]+	2.48	1.71E-09	0.971
6	LysoPC(20:4)	10.55	C28H50NO7P	−4.7	[M+H]+	10.75	8.20E-05	0.813
7	LysoPC(20:5)	10.47	C28H48NO7P	−3.6	[M+H]+	2.14	8.73E-11	0.976
8	LysoPC(22:6)	10.51	C30H50NO7P	−4.4	[M+H]+	4.22	7.30E-03	0.742
9	PC(O-18:1/2:0)	15.77	C28H56NO7P	−3.5	[M+H]+	1.32	8.81E-04	0.809
10	SM(d18:0/16:1)	20.19	C39H79N2O6P	−1.2	[M+H]+	7.74	2.92E-03	0.803
11	Stearoylcarnitine	15.11	C25H49NO4	−1.9	[M+H]+	1.21	7.00E-10	0.976
12	Tetracosahexaenoic acid	9.96	C24H36O2	−2.6	[M+H]+	1.95	1.35E-02	0.684
13	Tryptophan	2.7	C11H12N2O2	−1.7	[M+H]+	1.25	4.48E-02	0.692
14	Pregnenolone	9.44	C21H32O2	−2.8	[M+H]+	2.34	9.94E-03	0.691
15	Tetradecanoylcarnitine	9.7	C21H41NO4	−3.1	[M+H]+	1.08	3.40E-02	0.655
16	20-Hydroxyeicosatetraenoic acid	13.18	C20H32O3	−0.4	[M-H]-	1.45	4.55E-02	0.629
17	3b,7a-Dihydroxy-5b-cholanoic acid	9.93	C24H40O4	−0.9	[M-H]–	2.01	1.85E-02	0.675
18	9,10-Epoxyoctadecenoic acid	11.95	C18H32O3	−3.4	[M-H]–	3.86	3.55E-04	0.997
19	Arachidonic acid	8.38	C20H32O2	−1.4	[M-H]–	1.35	4.47E-02	0.622
20	Eicosapentaenoic acid	18.62	C20H30O2	−2.1	[M-H]–	1.70	2.55E-02	0.705
21	Glycocholic acid	6.74	C26H43NO6	−1.8	[M-H]–	1.26	1.24E-02	0.734
22	LysoPE(0:0/20:0)	14.72	C25H52NO7P	−1.6	[M-H]–	1.55	1.47E-02	0.718
23	PI(20:4/0:0)	11.12	C29H49O12P	−1	[M-H]–	7.49	3.93E-09	0.958
24	S-(PGA2)-glutathione	14.63	C30H47N3O10S	0.3	[M-H]–	1.15	2.10E-04	0.803
25	Taurocholic acid	6.1	C26H45NO7S	−1.8	[M-H]–	2.68	2.20E-03	0.845
26	Thymidine	1.83	C10H14N2O5	−0.3	[M-H]–	1.40	1.96E-05	0.904
27	3-Carboxy-4-methyl-5-propyl-2-furanpropionic acid	5.81	C12H16O5	−3.6	[M-H]–	2.24	3.55E-03	0.553

p-value is t-test comparing normal rat and cervicitis rat; confidence intervals of AUC is 95%;

^#means the biomarker was identified in both rat model and human disease.