Table 2.

Identification of potential biomarkers of human plasma samples between healthy women and cervicitis patients.

No.	Name	Retention time	M.F	Error (ppm)	Ion mode	VIP	P-value	AUC
1	1-Acetoxy-2-hydroxy-16-heptadecyn-4-one	11.25	C19H32O4	0.3	[M+H]+	3.62	5.86E-13	0.993
2	9-Decenoylcarnitine	6.33	C17H31NO4	2.5	[M+H]+	1.99	1.27E-02	0.805
3	Acetylcarnitine#	0.9	C9H17NO4	0.9	[M+H]+	1.87	5.63E-04	0.775
4	Cortisol	5.92	C21H30O5	1.5	[M+H]+	1.11	3.41E-02	0.692
5	Etiocholanolone#	16.9	C19H30O2	1	[M+NH4]+	2.05	5.55E-08	0.983
6	Linoelaidyl carnitine	10.44	C25H45NO4	2.1	[M+H]+	2.27	9.78E-04	0.795
7	L-Phenylalanine	1.9	C9H11NO2	−0.2	[M+H]+	1.01	8.81E-03	0.771
8	L-Valine	0.78	C5H11NO2	0.2	[M+H]+	1.48	1.96E-06	0.910
9	LysoPC(18:3)	11.34	C26H48NO7P	−0.9	[M+H]+	1.16	3.73E-03	0.801
10	LysoPC(P-18:0)	12.83	C26H54NO6P	−0.3	[M+H]+	1.25	4.04E-02	0.701
11	PC(O-18:1/2:0)	15.99	C28H56NO7P	−0.5	[M+H]+	1.61	6.38E-03	0.780
12	Phytosphingosine	7.46	C18H39NO3	3.5	[M+H]+	3.36	6.16E-05	0.894
13	Vaccenyl carnitine	11.83	C25H47NO4	0.8	[M+H]+	2.44	6.37E-04	0.822
14	12,13-Dihydroxy-9-octadecenoic acid	19.24	C18H34O4	1.2	[M-H]–	1.46	1.61E-02	0.675
15	9-Hydroxy-10,12-octadecadienoic acid	12	C18H32O3	2.6	[M-H]–	1.58	7.37E-03	0.735
16	3-Oxoandrostan-17-yl hydrogen sulfate	7.12	C19H30O5S	1.9	[M-H]–	2.28	3.98E-04	0.787
17	gamma-Linolenic acid	18.79	C18H30O2	−1.3	[M-H]–	1.66	2.01E-02	0.777
18	Linoleic acid	20.17	C18H32O2	0.1	[M-H]–	1.27	3.71E-02	0.677
19	LysoPE(18:1/0:0)	11.93	C23H46NO7P	0	[M-H]–	2.08	6.06E-04	0.814
20	LysoPE(18:2/0:0)	10.39	C23H44NO7P	3.4	[M-H]–	1.12	1.25E-02	0.713
21	Palmitoleic acid	19.51	C16H30O2	1.2	[M-H]–	1.60	3.66E-02	0.724
22	PI(20:4/0:0)#	11.31	C29H49O12P	−0.7	[M-H]–	3.68	3.32E-07	0.782

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

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