^\<0.000[^0][^0][^0] Table 0.Comparison among ANCA-positive IgAN, ANCA-negative IgAN and AASV patients with matched proportions of crescentic glomeruli: histological data, treatment and prognosisANCA-positive IgANANCA-negative IgANAASVP-valueNo. of patients000000Timing of biopsy in respect to onset of symptoms (months)0.0 (0.0, 00.0)0.0 (0.0, 00.0)0.0 (0.0, 0.0)0.00Therapy previous to biopsy Corticosteroids (%)00.0^a^00.000.0^b^\<0.000 Pulse methylprednisolone (0--00 mg/kg/day) (%)00.00