Table 1 Characteristics and comparison of clinical indices in patients with or without a nutritional risk

Age (years), mean ± SD

73.8 ± 6.4

73.8 ± 6.5

70.5 ± 5.8

Sex, males/females

34/23

27/23

7/0

Albumin (g/dL), mean ± SD

2.8 ± 0.6

2.7 ± 0.4

3.65 ± 0.2

BMI (kg/m²), mean ± SD

20.8 ± 3.1

20.6 ± 3.2

22.1 ± 2.4

GNRI, mean ± SD

79.8 ± 9.9

77.6 ± 8.3

96.0 ± 1.9

CRP (mg/dL), median (IQR)

3.365 (0.98–7.742)

3.797 (1.621–9.847)

0.441 (0.235–1.863)

BI at baseline, median (IQR)

35 (10–60)

35 (11.25–60)

30 (7.5–45)

BI at discharge, median (IQR)

70 (30–90)

65 (25–90)

85 (77.5–92.5)

BI gain, median (IQR)

15 (0–30)

10 (0–30)

50 (25–85)

Length of stay (days), median (IQR)

37 (22–52)

38.5 (23.25–51.25)

29 (19.5–44)

Days from A to R (days), median (IQR)

8 (5–14)

9 (6–14)

7 (3–8.5)

Duration of rehabilitation (days), median (IQR)

27 (15–36)

27 (15–36)

25 (15–35.5)

Duration of hemodialysis (years), median (IQR)

7 (6–12)

7 (3–13)

6 (1–7)

 Ischemic heart disease

10

9

1

 Aortic disease

4

4

 Valvular disease of the heart

4

4

 Congestive heart failure

3

3

 Cerebral infarction

7

3

4

 Parkinson’s disease

1

1

 Lumbar disease

6

6

 Fracture

3

3

 Osteoarthritis

3

3

 Psychiatric disease

3

2

1

 Perforation of the digestive tract

2

2

 Pneumonia

2

2

 Shunt complication

2

2

 Other

7

7

 Diabetic nephropathy

30

27

3

 Nephrosclerosis

9

6

3

 Chronic glomerulonephritis;

6

6

 Multiple renal cysts

3

2

1

 Rapidly progressive glomerulonephritis

1

1

 SLE nephritis

1

1

 Nephronophthisis

1

1

 Chronic pyelonephritis

1

1

 Drug-induced kidney injury

1

1

 Renal infarction

1

1

 Unknown

3

3