Table 1: Subjective global assessment metrics.

Evaluation items Yes No
Underweight (BMI ≤ 18.5 kg/m2) 1 0
Weight loss (more than 3 kg in the past 3 months) 1 0
Dietary intake is ≤ 50% 1 0
Lack of dietary intake due to mental disorder (such as depression or dementia) 1 0
The past of dysphagia, choke, pneumonia 1 0
Total protein ≤ 6.0 g/dL or albumin ≤ 3.0 g/dL 1 0
Albumin ≤ 2.7 g/dL 2 0
Digestive upset (diarrhea, emesis) 1 0
Bedsore 1 0

Level of under nutrition based on total score, as determined by sum of evaluation items. 0 points: Normal, 1-2 points: Light, 3-4 points: Moderate, 5-10 points: Severe.