Table 1.
Summary of study group characteristics and observed expressions
| Variable | C4 copy numbers <4 | C4 copy numbers = 4 | C4 copy numbers >4 |
|---|---|---|---|
| Number of samples (n) | 10 | 10 | 10 |
| Age (years) | 52.4 ± 6.8 | 53.3 ± 4.9 | 51.8 ± 8.4 |
| Gender, male/female (n) | 7/3 | 6/4 | 7/3 |
| Duration of disease (years) | 3.5 ± 1.3 | 2.9 ± 0.9 | 2.7 ± 1.5 |
| α-Globulin (g/cl) | 0.72 ± 0.07 | 0.69 ± 0.05 | 0.59 ± 0.06*# |
| γ-Globulin (g/cl) | 0.82 ± 0.11 | 0.71 ± 0.09* | 0.70 ± 0.07* |
| IgG (mg/cl) | 1459 ± 104 | 1302 ± 58* | 1219 ± 49*# |
| IgA (mg/cl) | 31.8 ± 4.9 | 26.5 ± 6.1* | 20.6 ± 3.9*# |
| IgM (mg/cl) | 32.5 ± 5.3 | 25.2 ± 4.18* | 19.4 ± 2.0*# |
| Serum complement C4 (g/L) | 49.3 ± 7.9 | 78.4 ± 12.3* | 110.3 ± 15.2*# |
Data are presented as the mean ± standard error of mean
Ig immunoglobulin
* p < 0.05, vs group (C4 copy numbers <4)
#p < 0.05, vs group (C4 copy numbers = 4)