CD79A and diabetes mellitus: In diabetes groups (N = 66), we found no difference in the median OD value of IgA between male patients (N = 50) and female patients (N = 16) [2.86 (IQR 1.66–3.38) versus 3.16 (IQR 2.51–3.43), P = 0.267] (Fig. 6).