Figure 1.

The diagnostic algorithm according to the GLIM criteria for case finding and the diagnosis of malnutrition at baseline in the enrolled patients. Risk screening (green boxes) was performed by using the Mini Nutritional Assessment Short-Form (MNA-SF^®), thus finding patients at risk of malnutrition. The diagnosis of malnutrition (yellow boxes) was made by assessing the presence of at least one phenotypic criterion (I) and one etiologic criterion (II). The diagnostic criteria reported in the yellow rectangular box were those used for the sample group of the study. Finally, malnutrition severity (orange boxes) was assessed using the low body mass index as phenotypic criteria to distinguish patients with moderate or severe malnutrition.