<prompt> In surgical patient malnutrition is best assessed bySerum albuminHb levelMid arm circumferenceTricpes skin fold thickness  <response>: . Weight loss more than 10 of individuals weight in 6 months is called as significant weight loss. Body Mass Index BMI is body weight in kilograms divided by height in meters squared. BMI less than 18.5 signifies nutritional impairment and below 15 signifies severe malnutrition.in surgical patients malnutrition is best assessed by mid arm circumference. ref:SRB;s manual of surgery,ed 3,pg no 86 