Review and practical excursus on the comparison between traditional statics methods and Classification And Regression Tree (CART) in real-life data: Low protein diet compared to Mediterranean diet in patients with chronic kidney disease Vincenzo Calabrese, Daniela Metro, Angela Alibrandi, Domenico Maviglia, Valeria Cernaro, Veronica Maressa, Elisa Longhitano, Guido Gembillo, Domenico Santoro

Severity of protein-energy wasting and obesity are independently related with poor quality of life in peritoneal dialysis patients Claudia N. Orozco-González, Roxana M. Márquez-Herrera, Laura Cortés-Sanabria, Alfonso M. Cueto-Manzano, Margarita Gutiérrez-Medina, Erika F. Gómez-García, Enrique Rojas-Campos, José R. Paniagua-Sierra, Fabiola Martín del Campo

Risk of hospitalization associated with body mass index and weight changes among prevalent haemodialysis patients Juan J. Carrero, Ivan Cabezas-Rodríguez, Abdul R. Qureshi, Jürgen Floege, Markus Ketteler, Gerard London, Francesco Locatelli, Dimitrios Memmos, David Goldsmith, Aníbal Ferreira, Judit Nagy, Vladimir Teplan, Carlos Martínez-Salgado, José L. Fernández-Martín, Carmine Zoccali, Jorge B. Cannata-Andia