Research Article

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 groupNormal Hydration State (NHS)Overhydration (OH)Subhydration (SH) value
MV ± SDMV ± SDMV ± SDMV ± SDNHS versus OHNHS versus SHOH versus SH

65401213
Gender (female, %)30.8%32.5%25.0%30.8%

Time of hemodialysis (month)65.35 ± 60.5471.65 ± 59.0767.75 ± 73.1843.77 ± 51.500.8500.1340.350
Age (years)58.34 ± 15.9355.98 ± 17.5464.75 ± 12.4859.69 ± 12.250.1140.4820.317
Height (m)1.63 ± 0.101.63 ± 0.101.66 ± 0.091.62 ± 0.100.4460.6430.303
Body weight (kg)71.76 ± 13.9872.11 ± 11.7463.75 ± 10.3178.07 ± 19.750.0310.1890.035
BMI (kg/m2)26.93 ± 4.6927.12 ± 3.9123.28 ± 3.8129.71 ± 5.720.0040.0710.003

Systolic blood pressure (mmHg)127.97 ± 26.49133.25 ± 24.89132.92 ± 25.11107.15 ± 23.760.9680.0020.015
Mean blood pressure (mmHg)92.61 ± 16.4094.92 ± 14.6698.19 ± 14.2780.33 ± 18.390.4970.0050.013
Diastolic blood pressure (mmHg)74.92 ± 13.6375.75 ± 11.9880.83 ± 12.1666.92 ± 16.780.2050.0420.027
Heart rate (beats/min)87.69 ± 15.0486.63 ± 14.8388.42 ± 16.4290.31 ± 15.230.7220.4430.768

Hemoglobin (g/dL)10.54 ± 1.7710.49 ± 1.7010.94 ± 2.0110.34 ± 1.830.4450.7820.440
Hematocrit (%)33.69 ± 5.3833.59 ± 5.4034.61 ± 5.9133.16 ± 5.130.5750.8050.519
Serum albumin (g/dL)3.99 ± 0.344.07 ± 0.303.74 ± 0.393.97 ± 0.290.0040.3320.104
Calcium (mg/dL)8.63 ± 0.448.61 ± 0.498.63 ± 0.288.72 ± 0.420.8490.4680.575
Phosphates (mg/dL)4.63 ± 0.864.66 ± 0.864.41 ± 0.954.72 ± 0.830.3870.8220.387
Parathyroid hormone (pg/mL)357.60 ± 280.32425.04 ± 313.01303.27 ± 192.62205.45 ± 159.580.2100.0190.179
Serum urea (mg/dL)147.88 ± 39.00147.03 ± 42.43141.92 ± 38.23156.00 ± 28.460.7100.4810.304
Total cholesterol (mg/dL)175.49 ± 40.20178.90 ± 39.50154.75 ± 36.55184.15 ± 42.100.0650.6830.076
HDL cholesterol (mg/dL)40.12 ± 13.0738.10 ± 12.3646.33 ± 17.4440.62 ± 9.170.0730.5030.310
LDL cholesterol (mg/dL)101.45 ± 34.8798.25 ± 35.1397.33 ± 31.48115.11 ± 36.190.9360.1420.205
Total triglycerides (mg/dL)177.23 ± 98.81195.96 ± 105.95128.50 ± 83.96164.58 ± 73.540.0490.3270.264

MV: mean value, SD: standard deviation, BMI: body mass index, PWV: pulse wave velocity, and β: arterial stiffness index. A was considered statistically significate.