Physical Activity in Hemodialysis Patients Measured by Triaxial Accelerometer
Table 1
Characteristics of patients on hemodialysis (HD) and control subjects.
Characteristics
HD patients ()
Control subjects ()
P
Age (years)
47.5 ± 12.5
46.7 ± 13.1
0.85
Male (%)
11 (58%)
12 (63%)
0.74
Race, nonwhite (%)
12 (57.9%)
6 (31.6%)
0.15
Comorbidities
0.001
Hypertension (%)
13 (68.4%)
2 (10.5%)
Diabetes (%)
2 (10.5%)
1 (5.3%)
Cardiovascular diseases (%)
4 (21.1%)
0 (0%)
Educational level
0.01
≤4 years (%)
3 (15.8%)
0 (0%)
>4 and ≤8 years (%)
7 (36.8%)
1 (5.3%)
>8 years (%)
9 (47.4%)
18 (94.7%)
Family income (USD/month)
580 (838)
2232 (1139)
0.001
BMI (kg/m2)
23.1 ± 3.9
26.1 ± 4.1
0.029
Creatinine (mg/dL)
12.2 ± 5.4
0.8 ± 0.2
<0.001
Hemoglobin (mg/dL)
10.5 (3.5)
13.8 (1.4)
<0.001
Albumin (g/dL)
3.8 (0.4)
4.0 (0.3)
0.03
Serum iron (μ/dL)
66.7 ± 25.9
125.6 ± 37.2
<0.001
Ferritin (ng/mL)
524.2 (418.3)
70.0 (114.6)
<0.001
Calcium (mg/dL)
9.5 ± 0.7
9.6 ± 0.5
0.58
Phosphate (mg/dL)
5.6 (2.8)
3.8 (0.9)
0.001
1.5 ± 0.2
Data are mean ± SD or median (interquartile range) for symmetrically and asymmetrically distributed data, respectively. BMI: body mass index and : dialysis adequacy.