term renal outcome in lupus nephritis (LN), studies aimed at defining a cut-off proteinuria
value are missing, except a recent analysis performed on patients randomised in the Euro-
Lupus Nephritis Trial, demonstrating that a target value of 0.8 g/day at month 12 optimised
sensitivity and specificity for the prediction of good renal outcome. The objective of the
current work is to validate this target in another LN study, namely the MAINTAIN Nephritis …