Table 1:
Complement function of the CP and AP, plasma concentrations of C3, C4, factor B, and C3d,g, and the C3d,g*1000/C3 ratio in one patient with SLE and one patient with a C2 deficiency.
CP (%)
AP (%)
C3 (g/L)
C4 (g/L)
Factor B
(g/L)
C3d,g
(mg/L)
C3d,g*1000/C3
SLE
15
45
0.53
0.07
0.18
7.0
13.2
C2 def
5
97
0.80
0.14
0.30
3.5
4.4
Reference interval
80–120
50–150
0.67–1.29
0.13–0.32
0.16–0.44
<5.3
<5.3