Additional file 1: of Risk factors of progressive IgA nephropathy which progress to end stage renal disease within ten years: a case–control study ShuDanhua XuFeifei SuZhen ZhangJi ChenChaosheng ZhangJianna DingXiaokai LvYinqiu LinHaixia HuangPeipei 2017 Stepwise multivariate logistic analysis. Contains detailed results in every step of stepwise multivariate logistic analysis. (DOCX 73 kb)