Fig. 2From: A simple protein-energy wasting score for survival prediction of maintenance hemodialysis patientsKaplan-Meier curve survival analysis according to protein-energy wasting (PEW) score. S1 (score of 0 or 1) had severe wasting, S2 (score of 2) had moderate wasting, S3 (score of 3) had slight wasting, and S4 (score of 4) had a normal nutritional statusBack to article page