Table 3.
Characteristics of patients with non-LN histopathology
| Non-LN findings in renal tissue | Age, y | Gender | Disease duration | ACR criteria | ANA ever | Anti dsDNA ever | Low C3/C4 ever | Low C3/C4 at biopsy | ANCA at biopsy |
|---|---|---|---|---|---|---|---|---|---|
| Vasculitis | 44.7 | M | − 3.34* | 3 | Yes | – | – | – | MPO |
| Vasculitis | 52.0 | F | 28.3 | 7 | Yes | Yes | Yes | Yes | MPO |
| Vasculitis | 34.2 | F | − 0.25 * | 7 | Yes | No | No | No | p-ANCA IFL |
| Vasculitis | 56.1 | F | 21.6 | 5 | Yes | No | No | – | – |
| Vasculitis | 32.5 | F | 0.0 | 6 | Yes | No | No | No | neg |
| Vasculitis | 73.9 | F | 0.38 | 6 | Yes | – | – | – | p-ANCA IFL |
| Vasculitis | 57.0 | F | 29.9 | 6 | Yes | No | No | No | MPO |
| Hypertensive nephrosclerosis | 53.8 | F | 3.27 | 4 | Yes | No | No | No | – |
| Hypertensive nephrosclerosis | 68.2 | F | 28.9 | 5 | Yes | No | No | – | – |
| Hypertensive nephrosclerosis | 65.7 | M | 0.0 | 4 | Yes | No | No | No | – |
| aPLN | 54.1 | F | 20.2 | 5 | Yes | No | No | – | - |
| aPLN | 48.7 | F | 12.1 | 6 | Yes | – | – | – | neg |
| IgAn | 60.3 | M | 27.22 | 4 | Yes | – | – | – | – |
| TIN | 67.9 | F | 14.2 | 4 | Yes | No | No | – | – |
| tGBM | 52.4 | F | 1.1 | 8 | Yes | No | No | No | neg |
| No overt findings | 56.8 | F | 11.7 | 6 | Yes | Yes | Yes | Yes | – |
ACR, American College of Rheumatology; ANA, antinuclear antibodies; ANCA, antineutrophil cytoplasmic antibodies; MPO, myeloperoxidase; IFL, immunofluorescence; aPLN, anti-phospholipid assiociated nephropathy; IgAn, IgA nephropathy; TIN, tubulointerstitial nephropathy; tGBM, thin glomerular basement membranes
*SLE diagnosis established after kidney biopsy time-point