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Table 1 Summary of study group characteristics and observed expressions

From: Complement C4 induces regulatory T cells differentiation through dendritic cell in systemic lupus erythematosus

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*#
  1. Data are presented as the mean ± standard error of mean
  2. Ig immunoglobulin
  3. * p < 0.05, vs group (C4 copy numbers <4)
  4. #p < 0.05, vs group (C4 copy numbers = 4)