Research Article

Apolipoprotein M Serum Levels Correlate with IgA Vasculitis and IgA Vasculitis Nephritis

Table 1

Clinical and biochemical characteristics of the study subjects.

Healthy controllgAVNlgAV without nephritis

Subjects, 764366
Demographics
Age>0.05
Gender (male/female)44/3226/1737/29>0.05
Lipid profiles
TG (mmol/L)2.75 (1.12-3.39)b1.26 (0.8-1.66)a1.08 (0.67-1.87)a<0.05
TC (mmol/L)0.84 (0.59-2.99)b3.93 (3.44-4.56)a3.98 (3.19-4.85)a<0.05
HDL-C (mmol/L)1.23 (1.05-1.37)1.21 (1-1.36)1.29 (1.03-1.55)>0.05
LDL-C (mmol/L)1.9 (1.5-2.16)b2.21 (1.77-2.75)a2.1 (1.57-2.78)a<0.05
apoA (g/L)1.06 (0.99-1.15)b0.9 (0.75-1.04)a0.93 (0.78-1.06)a<0.05
apoB (g/L)0.57 (0.47-0.66)0.58 (0.49-0.7)0.58 (0.45-0.72)>0.05
apoM (mg/L)18.17 (15.83-20.22)a23.92 (21.25-26.1)b25.96 (23.50-27.46)c<0.05
Kidney biochemical profiles
BUN (μmol/L)3.8 (3.25-4.47)4.02 (2.86-5.5)4.09 (2.99-4.95)>0.05
CRE (μmol/L)30.9 (24.23-36.4)a41.1 (36-53)b35.55 (30.75-42.43)c<0.05
UA (g/L)230.05 (181.93-269.63)a265 (218.6-330.3)b223.3 (187.13-281.55)a<0.05
hs-CRP (mg/L)/1.94 (1.02-3.87)3.74 (1.37-12.1)<0.05
Immunoglobulins
lgG (g/L)/8.4 (6.16-11)9.97 (8.29-11.7)<0.05
lgM (g/L)/2 (154-2.35)2.2 (1.52-3.19)>0.05
lgA (g/L)/1.25 (0.84-1.42)1.05 (0.87-1.56)>0.05
lgE (g/L)/150.8 (59.09-447.3)275.05 (119.38-298.63)>0.05
Complements
C3 (g/L)/0.95 (0.8-1.13)1 (0.9-1.15)>0.05
C4 (g/L)/0.18 (0.15-0.23)0.23 (0.18-0.28)<0.05

abc means not sharing a common superscript are significantly different among the healthy controls, lgAVN, and lgAV without nephritis groups at . Data are presented as median (range). TG: triglyceride; TC: total cholesterol; HDL-C: high-density lipoprotein cholesterol; LDL-C: low-density lipoprotein cholesterol; apoA1: apolipoprotein A1; apoB: apolipoprotein B; apoM: apolipoprotein M.