Fig. 3

Allergic rhinitis and renal involvement-specific Kaplan-Meier analysis. a, at the end of the 16-year cohort, the percentage of patients free of a second HSP episode was 89.4% in children without allergic rhinitis and 81.9% in those with allergic rhinitis. b, the percentage was 93.3% and 72.0% for patients without and with renal involvement, respectively