Predictive role of laboratory markers and clinical features for recurrent Henoch-Schönlein Purpura in childhood: A study from Turkey.

Henoch Schönlein Purpura is the most common systemic vasculitis of the childhood. The objective of this study was to evaluate whether there is a clinical significance of laboratory parameters and clinical features on the prediction of the recurrent Henoch Schönlein Purpura in children. For recurrent Henoch Schönlein Purpura, several laboratory results and clinical features were examined to identify the predictor factors via the logistic regression model in 99 children with Henoch Schönlein Purpura. A -value of <.05 was considered significant. The patients were divided into two groups as the first attack and the recurrent. The demographic features and laboratory results were not found statistically significant between the two groups ( > .05). The multiple logistic regression model showed that the risk of recurrent Henoch Schönlein Purpura increased 17.2-fold in children with Henoch Schönlein Purpura affected by the four systems including skin, joint, kidney and gastrointestinal system [Odds Ratio (OR) 17.2, 95% CI 1.4-12;  < .001]. In our inpatient population, the laboratory characteristics were detected not to be a factor for the prediction of recurrence. However, the four systems including skin, joint, kidney and gastrointestinal involvement may be used as a predictive factor for recurrent HSP.