2020 Volume 4 Pages 1-8
During this half a century since immunoglobulin A (IgA) nephropathy was firstly reported in 1968, several clinical and histological grading systems to predict the prognosis have been reported. In Japan, since the first version of clinical guideline for IgA nephropathy was established in 1995, it was revised in 2014 to the third version which was the grading system based on both clinical and histological risk factors. In this report, we have shown the details and evaluation of clinical grading system of that Japanese guideline, and also shown the previous reported clinical grading system.
This report is secondary publication of previous our review report "Nippon Rinsho 77: 643-650, 2019".
