Establishment and validation of a novel risk stratification scale in adult IgA vasculitis nephritis: a cohort study based on a systematic review and meta-analysis.
This study aimed to develop and validate a risk stratification scale for unfavourable outcomes in adult patients with IgA vasculitis nephritis (IgAVN). The derivation cohort in this study was constructed using the existing prognosis data from adult IgAVN cohorts. We extracted th…