Renal disease in patients with primary SS: altered renal parameters and renal biopsy results
| No | Total No of patients | % | |
|---|---|---|---|
| *One patient had coexisting tubulointerstitial nephritis and glomerulonephritis; †five patients had associated cryoglobulinaemia. | |||
| Altered renal parameters 27– 29 | |||
| Proteinuria | 55 | 198 | 28 |
| Distal RTA | 31 | 237 | 13 |
| Low creatinine clearance | 29 | 182 | 16 |
| Renal biopsy 29, 30 | |||
| Tubulointerstitial nephritis | 16* | 27 | 59 |
| Glomerulonephritis | 12* | 27 | 44 |
| Membranoproliferative* | 6† | 12 | 50 |
| Mesangial proliferative* | 5 | 12 | 42 |
| Membranous* | 1 | 12 | 8 |