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Malnutrition is a major negative prognostic factor in dialysis patients. Simple and reliable estimations of nutritional status may therefore prove of particular value in the follow-up of these patients. To validate subjective global assessment (SGA) in dialysis patients we compared subjective global assessment with objective measurements (anthropometry, bioelectrical impedance, biochemical measurements) in 59 chronic uraemic patients treated by haemodialysis (n = 36) or CAPD (n = 23). Subjective global assessment was performed by an observer unaware of the results of objective measurements and was related to serum albumin (r = −0.51, P<0.001) and bioelectric impedance phase angle (r = −0.58, P<0.001) as well as with MAMC (r = −0.28 P = 0.028), %fat (r = −0.27, P = 0.042) and nPCR (r = −0.29 P = 0.027). Multiple regression analysis showed that the relationship of subjective global assessment (as a …