Erratum to: Clin Exp Nephrol DOI 10.1007/s10157-012-0740-1

Table 2 and Fig. 2 appeared incorrectly in the article cited above. They are correctly shown as follows.

Table 2 The clinical grading system for predicting RPGN patient prognosis [1]
Fig. 2
figure 1

Treatment algorithm for ANCA-associated RPGN in Japan [2]. ESRD end-stage renal disease, OCS oral corticosteroid, MP methylprednisolone, PSL prednisolone, CYC cyclophosphamide, IVCYC intravenous cyclophosphamide