CD79A and glomerulonephritis: However, no significant difference in the frequency of glomerulonephritis was shown in patients positive for IgA anti-dsDNA alone (5/15, 33.3%) vs. IgA anti-dsDNA negative (27/102, 26%) (χ2 = 0.31; p = 0.577), in patients positive for IgA anti-dsDNA alone (5/15, 33.3%) vs. anti-dsDNA negative (15/66, 23%) (χ2 = 0.74; p = 0.389), as well as in patients positive for IgG anti-dsDNA alone (5/25, 20%) vs. IgG anti-dsDNA negative (27/90, 30%) (χ2 = 0.97; p = 0.323) and in patients positive for IgG anti-dsDNA alone vs. anti-dsDNA negative (15/66, 23%) (χ2 = 0.08; p = 0.779).