Table 2.

Relationship between items of MNA-SF and frailty status

MNA-SF items	Robust (29.8%)	Pre-frail (38.1%)	Frail (32.1%)	P-value
Malnutrition parameters
MNA-SF scores	13.4±1.0	12.3±1.8	9.6±2.7	<0.001
Risk of malnutrition (%)	7.1	25.1	49.2	<0.001
Malnutrition (%)	0	1.6	22.0	<0.001
MNA-SF parameters
Decrease in food intake (%)
Severe decrease	1.3	1.8	14.1	<0.001
Moderate decrease	9.1	16.2	42.8
No decrease	89.6	81.9	43.1
Weight loss (%)
Weight loss greater than 3 kg	2.3	8.4	29.7	<0.001
Does not know	1.6	5.0	10.5
Weight loss between 1 and 3 kg	3.6	5.5	10.5
No weight loss	92.5	81.2	44.4
Mobility (%)
Bed or chair bound	0	0	4.5	<0.001
Able to get out of bed/chair but does not go out	0.3	5.5	30.4
Goes out	99.7	94.5	65.2
Suffered psychological stress or acute disease (%)
Yes	9.1	11.5	24.6	<0.001
No	90.9	88.5	75.4
Neuropsychological problems (%)
Severe dementia or depression	3.9	30.1	49.2	<0.001
Mild dementia	2.9	11.5	18.8
No psychological problems	93.2	58.4	32.0
Body mass index (BMI) (%)
BMI <19	0.3	0.3	3.5	<0.001
BMI 19 to <21	0.7	2.1	7.0
BMI 21 to <23	0.3	2.9	7.0
BMI ≥23	98.7	94.7	82.5

Abbreviations: MNA, Mini Nutritional Assessment; MNA-SF, MNA-Short Form.