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Table 2 Comparision of sonographic carotid artery measures in three groups

From: An improvement of carotid intima-media thickness and pulse wave velocity in renal transplant recipients

Variables Controls (n = 84) Hemodialysis (n = 31) RT (n = 31) aP Values
Carotid intima-media thickness (μm) 529.7 ± 131.8 561.9 ± 147.7* 480.5 ± 90.3# 0.045
Pulse wave velocity (m/s) 6.68 ± 2.25 7.87 ± 2.25* 8.05 ± 2.17 0.004
Velocity time integral (m) 0.2 ± 0.1 0.2 ± 0.1 0.2 ± 0.1 0.250
Peak systolic velocity (cm/s) 64.4 ± 19.9 56.6 ± 20.3 49.9 ± 14.5 0.002
End diastolic velocity (cm/s) 16.27 ± 6.5 17.5 ± 10.5 15.9 ± 7.3 0.702
Mean flow velocity (cm/s) 26.9 ± 7.4 27.5 ± 10.1 24.8 ± 7.7 0.388
Pulsatility index 1.8 ± 0.6 1.6 ± 0.7* 1.4 ± 0.4 0.003
Resistance index 0.7 ± 0.2 0.7 ± 0.2 0.7 ± 0.2 0.197
S/D ratio 4.3 ± 1.2 4.1 ± 2.1 3.4 ± 0.9 0.017
  1. aIn three groups, Chi-squared test or ANOVA test was used to compare the distribution of CIMT, PWV, VTI, PSV, EDV, MFV, PI, RI and S/D ratio
  2. *P<0.05, P < 0.01 compared with the control group; #P<0.05, P < 0.01 compared with the hemodialysis group