Clinical Malnutrition

https://en.m.wikipedia.org/wiki/Clinical_nutrition

CLINICAL MALNUTRITION
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There are various definitions of clinical malnutrition.

According to one of them, patients are defined as severely undernourished when meeting at least one of the following criteria:

BMI < or = 20 kg/m2 and/or > or = 5% unintentional weight loss in the past month and/or > or = 10% unintentional weight loss in the past 6 months.

By the same system, the patient is moderately undernourished if they met at least one of the following criteria:

BMI 20.1–22 kg/m2 and/or 5-10% unintentional weight loss in the past six months.[1]