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Table 2 Conventional carotid ultrasound parameters in the IMT normal group and the IMT thickening group

From: Evaluation of spatial distribution and characterization of wall shear stress in carotid sinus based on two-dimensional color Doppler imaging

Variable IMT normal group, n = 100 IMT thickening group, n = 50 P value
CCA inner diameter (mm) 6.91 ± 0.5 6.73 ± 0.4 0.257
CCA IMT (mm) 0.69 ± 0.16 0.99 ± 0.19 0.000*
PSV (cm/s) 91.3 ± 20.7 95.4 ± 18.8 0.188
RI 0.72 ± 0.05 0.69 ± 0.08 0.358
WSS of CCAa 7.81 ± 2.72 6.94 ± 1.38 0.034*
  1. * P < 0.05
  2. aComputed by Hagen–Poiseuille formula