Hydration Status Is Associated with Aortic Stiffness, but Not with Peripheral Arterial Stiffness, in Chronically Hemodialysed Patients
Table 1
Anthropometric, hemodynamic, and blood characteristics for the entire population and the hydric state-related groups.
Entire group
Normal Hydration State (NHS)
Overhydration (OH)
Subhydration (SH)
value
MV ± SD
MV ± SD
MV ± SD
MV ± SD
NHS versus OH
NHS versus SH
OH versus SH
65
40
12
13
Gender (female, %)
30.8%
32.5%
25.0%
30.8%
Time of hemodialysis (month)
65.35 ± 60.54
71.65 ± 59.07
67.75 ± 73.18
43.77 ± 51.50
0.850
0.134
0.350
Age (years)
58.34 ± 15.93
55.98 ± 17.54
64.75 ± 12.48
59.69 ± 12.25
0.114
0.482
0.317
Height (m)
1.63 ± 0.10
1.63 ± 0.10
1.66 ± 0.09
1.62 ± 0.10
0.446
0.643
0.303
Body weight (kg)
71.76 ± 13.98
72.11 ± 11.74
63.75 ± 10.31
78.07 ± 19.75
0.031
0.189
0.035
BMI (kg/m2)
26.93 ± 4.69
27.12 ± 3.91
23.28 ± 3.81
29.71 ± 5.72
0.004
0.071
0.003
Systolic blood pressure (mmHg)
127.97 ± 26.49
133.25 ± 24.89
132.92 ± 25.11
107.15 ± 23.76
0.968
0.002
0.015
Mean blood pressure (mmHg)
92.61 ± 16.40
94.92 ± 14.66
98.19 ± 14.27
80.33 ± 18.39
0.497
0.005
0.013
Diastolic blood pressure (mmHg)
74.92 ± 13.63
75.75 ± 11.98
80.83 ± 12.16
66.92 ± 16.78
0.205
0.042
0.027
Heart rate (beats/min)
87.69 ± 15.04
86.63 ± 14.83
88.42 ± 16.42
90.31 ± 15.23
0.722
0.443
0.768
Hemoglobin (g/dL)
10.54 ± 1.77
10.49 ± 1.70
10.94 ± 2.01
10.34 ± 1.83
0.445
0.782
0.440
Hematocrit (%)
33.69 ± 5.38
33.59 ± 5.40
34.61 ± 5.91
33.16 ± 5.13
0.575
0.805
0.519
Serum albumin (g/dL)
3.99 ± 0.34
4.07 ± 0.30
3.74 ± 0.39
3.97 ± 0.29
0.004
0.332
0.104
Calcium (mg/dL)
8.63 ± 0.44
8.61 ± 0.49
8.63 ± 0.28
8.72 ± 0.42
0.849
0.468
0.575
Phosphates (mg/dL)
4.63 ± 0.86
4.66 ± 0.86
4.41 ± 0.95
4.72 ± 0.83
0.387
0.822
0.387
Parathyroid hormone (pg/mL)
357.60 ± 280.32
425.04 ± 313.01
303.27 ± 192.62
205.45 ± 159.58
0.210
0.019
0.179
Serum urea (mg/dL)
147.88 ± 39.00
147.03 ± 42.43
141.92 ± 38.23
156.00 ± 28.46
0.710
0.481
0.304
Total cholesterol (mg/dL)
175.49 ± 40.20
178.90 ± 39.50
154.75 ± 36.55
184.15 ± 42.10
0.065
0.683
0.076
HDL cholesterol (mg/dL)
40.12 ± 13.07
38.10 ± 12.36
46.33 ± 17.44
40.62 ± 9.17
0.073
0.503
0.310
LDL cholesterol (mg/dL)
101.45 ± 34.87
98.25 ± 35.13
97.33 ± 31.48
115.11 ± 36.19
0.936
0.142
0.205
Total triglycerides (mg/dL)
177.23 ± 98.81
195.96 ± 105.95
128.50 ± 83.96
164.58 ± 73.54
0.049
0.327
0.264
MV: mean value, SD: standard deviation, BMI: body mass index, PWV: pulse wave velocity, and β: arterial stiffness index. A was considered statistically significate.