Table 2 Characteristics of 132 participants according to the presence of impairment in the Instrumental Activities of Daily Living (IADLs; defined as and IADLs score < 8). (Study center: Catholic University, Rome, 2007–2015)

Age (years)

70 ± 11

57 ± 15

<.01

Sex (female)

29 (45 %)

20 (29 %)

.07

Dialytic age (months)

40 (12–88)

36 (12–75)

.66

Body Mass Index (Kg/m²)

24.9 ± 4.4

24.7 ± 4.6

.82

Charlson comorbidity index score

3 (2–4)

2 (1–3)

<.01

Geriatric Depression Scale

14 ± 6

7 ± 5

<.01

Mini Mental State Examination

22 ± 4

24 ± 3

<.01

Kt/V

1.3 ± 0.2

1.2 ± 0.2

.67

Dialytic blood flow (mL/min)

281 ± 27

288 ± 24

.12

Time of recovery after hemodialysis (min)

210 (112–480)

120 (30–300)

.02

Hemoglobin (g/dL)

10.9 ± 1.8

11.3 ± 1.1

.17

Serum creatinine (mg/dL)

8.7 ± 2.2

10.8 ± 3.1

<.01

Serum albumin (g/dL)

3.8 ± 0.3

4.0 ± 0.2

<.01

Serum calcium (mg/dL)

8.9 ± 0.6

9.0 ± 0.6

.30

Serum phosphorus (mg/dL)

5.0 ± 1.5

5.7 ± 1.9

.06

Serum PTH (mg/dL)

265 (123–429)

260 (143─361)

.90