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Corticosteroid treatment and odds of cumulative incidence of renal disease. Shown are the ORs (95% CIs) of patients with HSP with cumulative (transient or persistent) renal involvement if treated early with corticosteroids. A, Prospective; B, retrospective. The box sizes are proportional to the inverse of the magnitudeof the variance. No overall OR is displayed because of the heterogeneity of the studies.
