Table 2.
Diagnosis | No. of Cases | IgG Dominant | C1q ≥2+ | Tubuloreticular Inclusions | Full-House Staininga | Extraglomerular Depositsb | Tissue ANA | Mesangial Deposits | Subendothelial Deposits | Subepithelial Deposits | Subendothelial and Subepithelial Deposits |
---|---|---|---|---|---|---|---|---|---|---|---|
Lupus nephritis | 300 | 0.98 | 0.68 | 0.80 | 0.71 | 0.79 | 0.11 | 1.00 | 0.84 | 0.89 | 0.76 |
All nonlupus GN | 560 | 0.47 | 0.12 | 0.04 | 0.1 | 0.07 | 0 | 0.7 | 0.39 | 0.4 | 0.2 |
Immune complex–mediated MPGN | 77 | 0.52 | 0.23 | 0.09 | 0.21 | 0.16 | 0.01 | 0.95 | 0.82 | 0.34 | 0.34 |
Immune complex–mediated GN, NOS | 36 | 0.69 | 0.22 | 0.22 | 0.36 | 0.25 | 0 | 0.92 | 0.67 | 0.56 | 0.44 |
Infection-related GN | 47 | 0.09 | 0.02 | 0.02 | 0.02 | 0.04 | 0 | 1.00 | 0.81 | 0.79 | 0.66 |
Membranous glomerulopathy | 100 | 1.00 | 0.05 | 0.07 | 0.11 | 0.06 | 0 | 0.34 | 0.14 | 1.00 | 0.14 |
PLA2R+ | 51 | 1.00 | 0 | 0 | 0.08 | 0.02 | 0 | 0.14 | 0.06 | 1.00 | 0.06 |
PLA2R– | 49 | 1.00 | 0.1 | 0.14 | 0.14 | 0.10 | 0 | 0.55 | 0.22 | 1.00 | 0.22 |
IgA nephropathy/HSP | 100 | 0.01 | 0 | 0 | 0.07 | 0 | 0 | 1.00 | 0.45 | 0.18 | 0.13 |
Pauci-immune GN | 100 | 0.17 | 0.02 | 0 | 0.03 | 0 | 0 | 0.29 | 0.09 | 0.10 | 0.04 |
Anti-GBM disease | 25 | 1.00 | 0.04 | 0 | 0.04 | 0 | 0 | 0.12 | 0 | 0.12 | 0 |
Fibrillary GN | 25 | 1.00 | 0.20 | 0.04 | 0.04 | 0.32 | 0 | 1.00 | 0 | 0.04 | 0 |
C1q nephropathy | 25 | 0.12 | 0.88 | 0 | 0.16 | 0.00 | 0 | 1.00 | 0.12 | 0 | 0 |
Proliferative GN with monoclonal Ig deposits | 25 | 1.00 | 0.28 | 0 | 0.04 | 0.04 | 0 | 0.92 | 0.92 | 0.36 | 0.36 |
ANA, anti-nuclear antibody; MPGN, membranoproliferative glomerulonephritis; NOS, not otherwise specified; PLA2R, phospholipase A2 receptor; HSP, Henoch–Schönlein purpura; Anti-GBM disease, antiglomerular basement membrane disease.
Defined as at least trace staining for IgG, IgA, IgM, C1q, and C3 on a scale of 0–3.
By immunofluorescence with at least trace intensity or electron microscopy.