Bansal N, Katz R, De Boer IH, Peralta CA, Fried LF, Siscovick DS, Rifkin DE, Hirsch C, Cummings SR, Harris TB, Kritchevsky SB, Sarnak MJ, Shlipak MG, Ix JH. Development and validation of a model to predict 5-year risk of death without ESRD among older adults with CKD. Clin J Am Soc Nephrol. 2015 Mar 06; 10(3):363-71.