Table 1 Characteristics of studied subjects

 Age, years, mean ± SD

83.8 ± 7.9

 Male, n (%)

254 (40.7)

 BMI, kg/m², mean ± SD

20.4 ± 3.8

 Normal nutritional status (MNA-SF > 11), n (%)

154 (24.7)

 At risk [8,9,10,11], n (%)

266 (42.6)

 Malnutrition (< 8), n (%)

204 (32.7)

 Barthel Index, score, median [IQR]

65 [30–100]

 CPS, score, median [IQR]

2 [0–4]

 CCI, score, median [IQR]

3 [2–5]

 OHAT, score, median [IQR]

1 [0–3]

 Infections, n (%)

179 (28.7)

 Rehabilitation, n (%)

89 (14.3)

 Malignancy, n (%)

86 (13.8)

 Nutrition support, n (%)

82 (13.1)

 Gastroenterological disorders, n (%)

67 (10.7)

 Cardiovascular diseases, n (%)

22 (3.5)

 Surgery, n (%)

21 (3.4)

 Renal diseases, n (%)

5 (0.8)

 Others, n (%)

73 (11.7)