1980–1989 (group I) | 1990–2000 (group II) | p Value | |
---|---|---|---|
*Time when the diagnosis of SLE was first mentioned (not the first appearance of symptoms); †proteinuria >500 mg/day. | |||
Time from first diagnosis of SLE* until referral to our centre | 29.2 (27.9) | 32.0 (41.2) | NS |
[range 11–156] | [range 0–132] | ||
Time from first diagnosis of SLE until kidney biopsy | 50.3 (52.3) | 39.3 (41.6) | NS |
[range 0–60] | [range 1–132] | ||
Time from first detection of proteinuria† until kidney biopsy | 15.4 (15.6) | 3.9 (4.7) | 0.00002 |
[range 5–60] | [range 1–24] |