Fig. 2From: A single-center analysis of Henoch-Schonlein purpura nephritis with nephrotic proteinuria in childrenAge distribution of the NP and NNP groups. The youngest patient was 3 years old, and the oldest patient was 16 years old. We divided the patients into 4 groups according to their age. NP, nephrotic proteinuria; NNP, non-NPBack to article page