Bayesian estimation of individual frailties for the patients in the treatment of hemodialysis Graziela Dutra Rocha Gouvêa 1 2 Vera Lúcia Damasceno Tomazella 3 João Domingos Scalon 4 The proposed of this work is to utilization bayesian methods to estimate the individual frailties for the patients in hemodialysis. The results show that no matter how many covariates are measured, for two individuals with the same values of frailties, not expected to experiment any medical response exactly in the same time. Keywords: Chronic Renal Failure, Cox Model, Frailty Models. 1 ICT- UFVJM. e-mail: [email protected] à FAPEMIG pelo apoio financeiro. 3 DEs - UFSCAR. 4 DEX - UFLA. 2 Agradecimento