Table 1 Baseline and follow-up characteristics (n = 1243)

Male, %

68

Age, years

14 ± 4

Duration from onset to renal biopsy (months)

12.0 (0.8,96.5)

eGFR, ml/min per 1.73 m²

102 ± 20

MAP, mmHg

89 ± 16

Proteinuria, g/day per 1.73m²

0.6 (0.3–1.4)

Follow-up parameters

Values during follow-up

Length of follow-up, years

7.2 (4.6–11.7)

RASB, %

70

Any immunosuppression, %

64

GC, %

45

GC + IS, %

19

Combined event, %

14

ESRD, %

6.6

50% reduction in initial eGFR,%

7.2