Table 2. N-glycosylation site occupancies in health and liver disease conditions.

ID	Sample	OMIM entry	Clinical score	TRFE		HPT		IGHA1		IGHG2
				mean	SEM	mean	SEM	mean	SEM	mean	SEM
001	PMM2-CDG	601785	*	86	2.8	3	1.0	82	2.8	100	0.0
002	PMM2-CDG	601785	mild	90	2.1	32	4.6	83	1.0	100	0.0
003	PMM2-CDG	601785	mild/moderate	91	0.7	24	3.1	86	1.0	100	0.0
004	PMM2-CDG	601785	moderate	91	1.0	13	2.2	87	0.2	100	0.0
005	PMM2-CDG	601785	severe	84	1.8	3	0.5	86	2.1	100	0.0
034	AlG11-CDG	613661	*	94	0.1	28	1.2	90	2.7	100	0.0
036	AlLG1-CDG	608540	moderate	82	2.1	7	0.4	91	0.1	100	0.0
037	ALG6-CDG	603147	severe	85	0.5	3	0.3	90	0.5	100	0.0
038	MPDU1-CDG	604041	moderate/severe	91	0.5	12	3.4	87	1.7	100	0.0
039	RFT1-CDG	612015	severe	72	1.7	3	0.7	91	1.8	100	0.0
007	healthy	na	na	93	0.9	61	2.5	84	1.8	100	0.0
008	healthy	na	na	94	0.5	57	3.2	86	1.6	100	0.0
009	healthy	na	na	93	1.1	54	1.8	85	1.3	100	0.0
010	healthy	na	na	95	0.5	52	3.1	84	1.3	100	0.0
011	healthy	na	na	95	0.5	56	6.5	86	4.3	100	0.0
012	Steatosis	nd	<3	95	1.4	73	4.0	86	1.9	100	0.0
013	Steatosis	nd	<3	94	0.5	71	5.6	85	1.0	100	0.0
015	Steatosis	nd	<3	95	0.7	61	5.8	84	4.0	100	0.0
016	Steatosis	nd	<3	95	0.5	68	1.9	87	1.4	100	0.0
014	NASH	nd	5	95	0.2	69	1.9	86	1.5	100	0.0
017	NASH	nd	3	95	0.8	59	5.2	86	0.9	100	0.0
018	NASH	nd	4	96	1.0	64	1.4	86	1.9	100	0.0
019	NASH	nd	5–6	95	0.7	69	4.1	82	1.4	100	0.0
020	NASH	nd	4	95	1.5	60	12.3	88	2.6	100	0.0
021	NASH	nd	4	94	0.7	53	4.4	88	3.3	100	0.0
022	NASH	nd	6	95	1.3	43	3.9	91	1.5	100	0.0
023	NASH	nd	*	94	0.7	58	11.5	90	2.0	100	0.0

The values for each glycosylation site are averaged from three technical replicates, starting with the serum sample preparation. SEM = standard error of mean. Average values derived from 5 samples from healthy serum, 4 liver steatosis samples and 8 NASH samples. OMIM = Online Mendelian Inheritance in Man, na = not applicable, nd = not determined, ID = unique sample identifier, TRFE = transferrin, HPT = haptoglobin, IGHA1 = human IgA1, IGHG2 = human IgG2, (*) = no clinical information available. The clinical score values are displayed according to Grünewald et al. or Kleiner et al. (NAFLD activity scores), respectively³⁰,³¹.