Clinical Trial Study
Copyright ©The Author(s) 2015.
World J Nephrol. Jul 6, 2015; 4(3): 406-414
Published online Jul 6, 2015. doi: 10.5527/wjn.v4.i3.406
Table 1 Demographic and aortic stiffness indices characteristics
Patients characteristicsStudy populationPatients with moderately increased albuminuriaPatients with severely increased albuminuriaP value
No1155857-
Age (yr)52.6 ± 14.651.4 ± 14.454.2 ± 15.07NS
Sex (M/F), (n)76/3939/1937/20NS
BMI (kg/m2)30.9 ± 19.328.6 ± 4.533.9 ± 28.2< 0.03
Smoking, n (%)532NS
pSBP (mmHg)138.0 ± 14.2139 ± 12.7138.0 ± 15.5NS
pDBP (mmHg)84.2 ± 9.784.9 ± 10.782.6 ± 9.8NS
pPP (mmHg)57.9 ± 15.956.7 ± 15.159.4 ± 16.9NS
cSBP (mmHg)130.3 ± 14.6130 ± 13.3130.2 ± 16.5NS
cDBP(mmH)84.2 ± 9.784.9 ± 10.784.3 ± 8.6NS
cPP (mmHg)48.1 ± 17.647.9 ± 17.948.4 ± 17.8NS
AIx (%)21.1 ± 10.618.4 ± 10.024.5 ± 10.0< 0.004
PWVc-f (m/sec)8.7 ± 2.08.3 ± 2.09.1 ± 1.9< 0.02
ACEIs, n (%)
(ramipril or quinapril)100 (86)56 (96)44 (77)NS
AT1 RB, n (%)
(valsartan or olmesartan)20 (17.4)9 (15.5)11 (19.2)NS
CCBs, n (%)11 (9.5)6 (10.3)5 (8.7)NS
Statins, n (%)7 (6.08)3 (5.1)4 (7.01)NS
Table 2 Biochemical characteristics of the study population
Patients characteristicsStudy populationPatients with moderately increased albuminuriaPatients with severely increased albuminuriaP value
No1155857-
Ht (%)42.3 ± 3.743.2 ± 3.741.4 ± 3.50.01
Hb (g/dL)13.6 ± 1.314.1 ± 1.513.3 ± 1.50.02
Fe (μg/dL)89 ± 35.590.2 ± 3084.2 ± 38.5NS
Ferritin (ng/L)127.4 ± 90.1127.8 ± 87.9131.3 ± 96.5NS
Fibrinogen (mg/dL)336 ± 82.9339 ± 86.5394 ± 133.9< 0.01
hsCRP (mg/dL)0.19 ± 0.060.18 ± 0.050.23 ± 0.10< 0.001
T-CHOL (mg/dL)203 ± 37.5208 ± 39.2209 ± 46.8NS
TRG (mg/dL)126 ± 45.7123 ± 46.3145 ± 70.20.05
HDL-C (mg/dL)53.4 ± 13.353 ± 12.954.2 ± 14.9NS
LDL-C (mg/dL)119 ± 32120 ± 3.7121 ± 3.6NS
Ca2+ (mg/dL)9.7 ± 0.49.7 ± 0.59.8 ± 0.4NS
PO43- (mg/dL)3.42 ± 0.43.3 ± 0.43.5 ± 0.50.01
Ca2+ x PO43-33.7 ± 4.832.6 ± 4.533.9 ± 8.6NS
PTH (pg/mL)42.4 ± 15.439.8 ± 13.645.4 ± 29.9NS
sAlb (gr/dL)4.5 ± 0.24.5 ± 0.34.3 ± 0.50.03
eGFR-MDRD (mL/min per 1.73 m2)
92 ± 0.591.5 ± 20.579.1 ± 15.3< 0.001
CKD-EPI(mL/min per 1.73 m2)
73.4 ± 1.2573.1 ± 13.773.6 ± 11.2NS
Table 3 Univariate linear regression analysis of the parameters associated with the absolute values of pulse wave velocity
Covariatesβtβ(95%CI)P value
Alb0.8412.2710.107-1.574< 0.025
Age0.0262.0470.001-0.051< 0.043
BMI0.0090.8800.011-0.0280.381
pSBP0.0322.5110.007-0.058< 0.013
pDBP0.0050.285-0.032-0.042< 0.776
pPP0.0292.2770.004-0.053< 0.025
cSBP0.0312.2980.004-0.508< 0.024
cDBP-0.004-0.173-0.045-0.0380.963
cPP0.0141.2570.008-0.0370.212
Ht0.1032.0770.005-0.2020.040
Hb0.2271.8120.020-0.4760.070
T-CHOL0.0210.456-0.011-0.0070.649
TRG0.0020.7520.009-0.0040.454
HDL-C-0.006-0.417-0.033-0.0220.677
LDL-C0.0230.4450.013-0.4770.674
Fbrinogen0.00010.524-0.004-0.0020.602
hsCRP-0.0110.046-0.442-0.4220.964
RAAS-blocker0.081-0.103-1.650-1.4870.918
Table 4 Multivariate linear regression analysis of the parameters associated with the absolute values of pulse wave velocity
Covariatesβtβ(95%CI)P value
UAlb1.0382.6380.257-1.820< 0.010
pSBP0.0282.1490.002-0.053< 0.034
Ht0.1713.3190.069-0.273< 0.001
Table 5 Univariate linear regression analysis of the parameters associated with absolute values of Alx
Covariatesβtβ(95%CI)P value
UAlb6.2012.9772.065-10.337< 0.004
Age0.2363.4270.099-0.373< 0.0001
BMI0.0360.6670.070-0.1420.507
pSBP0.2914.4270.161-0.422< 0.0001
pDBP0.0010.002-0.216-0.216< 0.002
pPP0.2784.5360.156-0.400< 0.0001
cSBP0.3495.5180.223-0.474< 0.0001
cDBP-0.045-0.4010.265-0.1760.689
cPP0.2654.9120.558-0.372< 0.0001
Ht-0.8480.002-1.382-0.314< 0.002
Hb-0.599-0.826-2.040-0.8410.411
T-CHOL0.0501.836-0.041-0.0420.069
TRG0.0211.1640.015-0.0570.247
HDL-C0.1041.318-0.534-0.0350.262
LDL-C0.0471.265-0.045-0.0520.243
Fbrinogen0.0070.749-0.122-0.2730.456
hsCRP0.0150.732-1.738-3.7680.466
RAAS-blocker1.0430.13913.881-15.9660.890
Table 6 Multivariate linear regression analysis of the parameters associated with the absolute values of Al
Covariatesβtβ(95%CI)P value
UAlb4.3852.5571.023-8.146< 0.012
cSBP0.2423.5630.107-0.376< 0.0001
cPP0.1472.6230.036-0.259< 0.0001
Ht0.5912.5361.055-0.128< 0.013