Table 1.

Demographic, clinical, and biochemical characteristics of the study populationa

a Data are mean ± SD, median (interquartile range), or percent frequency, as appropriate. Kt/V denotes fractional urea clearance. BMI, body mass index; CRP, C-reactive protein; HOMA-R, homeostatic model assessment; RDT, regular dialysis treatment; LVH, left ventricular hypertrophy.
Somatometric data
 age (yr)59.9 ± 15.0
 gender (male/female)125 /102
 BMI (kg/m2)24.5 ± 4.4
 duration of RDT (mo)43 (21 to 110)
Cardiovascular risk factors
 systolic pressure (mmHg)139.7 ± 25.0
 diastolic pressure (mmHg)76.0 ± 12.8
 diabetic patients (%)15
 smokers (%)37
 serum total cholesterol level of >200 mg/dl (%)51
 LVH (%)75
Previous cardiovascular events
 myocardial infarction (%)11
 angina pectoris (%)33
 stroke (%)9
 transient ischemic attack (%)11
Biochemical data
 hemoglobin level (g/dl)10.8 ± 1.9
 serum total cholesterol level (mg/dl)207.7 ± 57.8
 serum HDL cholesterol level (mg/dl)41.3 ± 11.8
 serum LDL cholesterol level (mg/dl)131.4 ± 49.3
 serum triglyceride level (mg/dl)175.4 ± 86.0
 serum albumin level (g/dl)4.2 ± 0.5
 serum calcium level (mM)2.3 ± 0.2
 serum phosphate level (mM)2.0 ± 0.4
 serum CRP level (mg/L)7.4 (3.4 to 16.0)
 von Willebrand factor (%)117.3 ± 30.5
 plasma homocysteine level (μM)27.0 (19.8 to 42.6)
 plasma leptin level (ng/ml)10.0 (4.8 to 30.7)
 serum glucose level (mM)5.55 ± 3.17
 plasma insulin level (μU/ml)19.7 (13.7 to 29.7)
 HOMA-R index [mM·-(μU/ml)]4.03 (2.71 to 6.80)
 Kt/V1.21 ± 0.27