3.

抗CarP抗体阳性组与抗CarP抗体阴性组SLE患者实验室指标异常的比较

Comparison of abnormal laboratory features between patients with anti-CarP and those without anti-CarP antibodies

Items	Anti-CarP IgG(+)(n=23)	Anti-CarP IgG(-)(n=82)	P
ESR, erythrocyte sedimentation rate; CRP, C-reactive protein; C3, complement 3; C4, complement 4; IgA, immunoglobulin A; RF, rheumatoid factor; IgG, immunoglobulin G; RBC, red blood cell.
ESR high levels (>20 mm/h), n (%)	20 (87)	42 (54.5)	0.005
CRP high levels (>7.9 mg/L), n (%)	8 (34.8)	18 (21.9)	0.111
C3, low levels (<0.88 g/L), n (%)	21 (91.3)	58 (70.7)	0.046
C4, low levels (<0.15 g/L), n (%)	19 (82.6)	46 (56.1)	0.013
IgA, elevated levels (>3.78 g/mL), n (%)	8 (34.8)	7 (8.5)	0.002
RF, elevated levels (>30 IU/mL), n (%)	8 (34.8)	12 (14.6)	0.046
Anti-cardiolipin, elevated levels (>12 RU/mL), n (%)	7 (30.4)	11 (13.4)	0.099
IgG, elevated levels (>16.18 g/mL), n (%)	17 (73.9)	13 (15.9)	<0.001
Anti-dsDNA, elevated levels (>100 IU/mL), n (%)	19 (82.6)	39 (47.6)	0.001
D-dipolymer, elevated levels (>250 μg/L), n (%)	17 (73.9)	34 (41.5)	0.001
RBC, low levels (<3.5×109/L), n (%)	15 (65.2)	28 (34.1)	0.004
Hemoglobin, low levels (<110 g/L), n (%)	17 (73.9)	33 (40.2)	0.002