Urine Monocyte Chemoattractant Protein-1 and Lupus Nephritis Disease Activity: Preliminary Report of a Prospective Longitudinal Study

Table 1

Criteria for the definition of the course of lupus nephritis.

Outcome	Criteria
	Proteinuria (uPCI)	Haematuria	Serum creatinine	Serum albumin
Complete remission (CR)	≤50 mg/mmol creatinine	<10 RBC × 10^6/L + no RBC casts	Baseline or ≤25% increase	≥35 g/L
Partial remission (PR)	50% reduction in baseline or > 50 ≤ 300 mg/mmol creatinine	>10 < 50 RBC × 10^6/L + no RBC casts	Baseline or ≤25% increase	≥35 g/L
Nonremission (NR)	No change or >300 mg/mmol creatinine	≥50 < 150 RBC × 10^6/L ± RBC casts	≥25% increase	<35 g/L
Relapse/flare	Increase after 4 weeks of CR/PR	Increase after 4 weeks of CR/PR	Increase after 4 weeks of CR/PR	Decrease after 4 weeks of CR/PR

Adapted with modification from Yamaji et al. [16] and Ruiz-Irastorza et al. [17].