Table 3. Complement characteristics of lupus patients with and without nephritis.

	Patients with nephritis	Patients without nephritis	P value
Active
CFH (ug/ml)	1414.22 ± 140.63	1186.31 ± 79.70	0.356
CFI (ug/ml)	28.55 ± 2.18	25.50 ± 3.40	0.575
C3	44.90 ± 4.03	50.74 ± 5.47	0.243
CD46 (ng/ml)	16.61 ± 2.00	14.70 ± 3.39	0.405
C4	6.42 ± 0.56	6.72 ± 1.03	0.791
C5a (ug/ml)	5.82 ± 0.168	5.42 ± 0.20	0.255
C5b–9 (ng/ml)	79.85 ± 8.05	76.72 ± 10.33	0.864
Remission
CFH (ug/ml)	1549.50 ± 130.24	1516.56 ± 125.13	0.467
CFI (ug/ml)	38.12 ± 2.28	35.62 ± 4.36	0.422
CD46 (ng/ml)	11.54 ± 1.17	12.15 ± 1.85	0.660
C3	85.30 ± 3.5	86.26 ± 5.48	0.976
C4	12.39 ± 0.96	12.96 ± 1.7	0.832
C5a (ug/ml)	5.63 ± 0.19	5.72 ± 0.31	0.950
C5b–9 (ng/ml)	82.45 ± 8.04	69.81 ± 11.00	0.440