“…Of the 31 studies included in this review, 23 studies (75 per cent) provided a definition of malnutrition. This was by use of a nutrition screening tool alone 33 , 34 , 39 , 48 , 50 , an assessment tool 28 , 29 , 32 , 37 , 38 , 40–42 , 51 , or a nutrition marker, either on its own 35 , 43 , 45 or combined 5 , 31 , 44 , 49 , 52 , 53 . There were two studies that provided no definition of malnutrition 46 , 54 .…”