CD79A and juvenile idiopathic arthritis: The mean and standard deviation of each group for the assays were as follows: JIA IgA: 31.21 ± 22.11; IgG: 42.52 ± 13.28, for CD 25.72 ± 24.74; 34.23 ± 12.42, CrD 29.60 ± 16.69; 43.04 ± 18.39, for HPF 37.41 ± 34.51; 46.57 ± 21.21, for PFAPA 11.59 ± 7.87; 14.09 ± 6.46 (Table 1).