Research Article

Positive Associations between Adipocyte Fatty Acid-Binding Protein Level and Central Arterial Stiffness in Peritoneal Dialysis Patients

Table 1

Clinical variable of the 76 peritoneal dialysis patients with or without arterial stiffness.

CharacteristicAll participants (n = 76)Control group (n = 51)Arterial stiffness group (n = 25) value

Age (years)55.51 ± 15.9151.61 ± 16.1263.48 ± 12.320.002
Peritoneal dialysis vintage (months)50.83 ± 40.7342.39 ± 37.7468.04 ± 41.900.009
Height (cm)160.04 ± 8.31160.76 ± 8.24158.56 ± 8.420.280
Body weight (kg)63.18 ± 14.7662.45 ± 13.1664.66 ± 17.790.543
Body mass index (kg/m2)24.70 ± 4.5224.30 ± 4.1625.51 ± 5.200.277
Carotid-femoral PWV (m/s)9.26 ± 3.237.39 ± 1.6713.08 ± 2.05<0.001
Systolic blood pressure (mmHg)143.03 ± 23.76139.90 ± 24.75149.40 ± 20.620.102
Diastolic blood pressure (mmHg)84.50 ± 12.5082.84 ± 12.9987.88 ± 10.920.099
Total cholesterol (mg/dL)169.08 ± 39.17167.37 ± 37.67172.56 ± 42.640.591
Triglyceride (mg/dL)143.00 (93.75–222.25)136.00 (91.00–209.00)159.00 (108.00–231.00)0.490
Fasting glucose (mg/dL)106.00 (95.00–129.25)102.00 (91.00–122.00)117.00 (100.00–165.50)0.012
Albumin (mg/dL)3.72 ± 0.383.74 ± 0.423.69 ± 0.290.536
Blood urea nitrogen (mg/dL)59.03 ± 18.4359.31 ± 18.5558.44 ± 18.540.848
Creatinine (mg/dL)11.08 ± 3.1411.12 ± 3.3610.99 ± 2.710.876
Total calcium (mg/dL)9.10 ± 0.779.07 ± 0.719.16 ± 0.900.637
Phosphorus (mg/dL)5.23 ± 1.415.28 ± 1.465.12 ± 1.350.650
Intact parathyroid hormone (pg/mL)247.16 (120.20–558.10)266.55 (113.37–565.65)229.20 (111.71–503.42)0.822
C-reactive protein (mg/dL)0.26 (0.07–0.91)0.13 (0.06–0.53)0.36 (0.26–1.36)0.001
A-FABP (ng/mL)53.55 ± 28.0744.42 ± 22.0172.17 ± 30.26<0.001
Weekly (Kt/V)2.09 ± 0.412.15 ± 0.441.97 ± 0.320.085
Peritoneal (Kt/V)1.75 ± 0.471.75 ± 0.481.73 ± 0.460.845
Total clearance of creatinine (L/week)59.26 ± 23.9861.18 ± 26.1055.34 ± 18.820.322
Peritoneal clearance of creatinine (L/week)41.79 ± 16.1041.34 ± 16.3642.71 ± 15.830.729
Female, n (%)44 (57.9)31 (60.8)13 (52.0)0.466
Diabetes, n (%)32 (42.1)20 (39.2)12 (48.0)0.466
Hypertension, n (%)65 (85.5)43 (84.3)22 (88.0)0.668
CAPD, n (%)56 (73.7)36 (70.6)20 (80.0)0.381
ACE inhibitor use, n (%)5 (6.6)4 (7.8)1 (4.0)0.525
ARB use, n (%)32 (42.1)23 (45.1)9 (36.0)0.450
β-blocker use, n (%)28 (36.8)21 (41.2)7 (28.0)0.263
CCB use, n (%)35 (46.1)24 (47.1)11 (44.0)0.802
Statin use, n (%)20 (26.3)14 (27.5)6 (24.0)0.748
Fibrate use, n (%)3 (3.9)2 (8.0)1 (2.0)0.204

Values for continuous variables are shown as mean ± standard deviation after analysis by Student's t test; variables not normally distributed are shown as median and interquartile range after analysis by the Mann–Whitney U test; values are presented as number (%) and analysis after analysis by the chi-squared test. A-FABP, adipocyte fatty acid binding protein; CAPD, continuous ambulatory peritoneal dialysis; weekly Kt/V, weekly fractional clearance index for urea; ACE, angiotensin-converting enzyme; ARB, angiotensin-receptor blocker; CCB, calcium-channel blocker.  < 0.05 was considered statistically significant.