Table 2.

Distribution of proteinuric and nephritic flares by kidney outcome

Flare TypeNo CKDNew CKDNonprogressive CKDProgressive CKD
Nephritica7314
Proteinuricb819110
  • a Increase in serum creatinine of ≥25%, regardless of the level or change in level of proteinuria.

  • b Increase in proteinuria to >1 g/d if previously in complete remission; doubling of proteinuria to >2 g/d if previously in partial remission.