Logistic regression model can reduce unnecessary artificial liver support in hepatitis B virus-associated acute-on-chronic liver failure: decision curve analysis. - Gang Qin; Zhao-Lian Bian; Yi Shen; Lei Zhang 095; Xiao-Hong Zhu; Yan-Mei Liu; Jian-Guo Shao (BMC Medical Informatics Decis. Mak., 2016)