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Table 6 Comparison of different predictors in the studied groups in relation to the grade of esophageal varices

From: Role of portal color Doppler ultrasonography as noninvasive predictive tool for esophageal varices in cirrhotic patients

Esophageal varices
N = 67
Grade 1
(n = 26)
M ± SD
Grade 2
(n = 18)
M ± SD
Grade 3
(n = 14)
M ± SD
Grade 4
(n = 9)
M ± SD
p value
(Kruskal Wallis test)
PC/SD ratio 725.6 ± 273.5 567.9 ± 280.2 347.8 ± 162.6 293.8 ± 91.8  < 0.001*
Portal vein flow velocity 12.7 ± 2.4 12.2 ± 1.2 11.9 ± 3.5 11.7 ± 1.3 0.327NS
Portal vein diameter 12.67 ± 2.24 14.14 ± 1.7 14.74 ± 1.79 14.68 ± 1.7 0.001*
Portal congestion index 0.13 ± 0.03 0.14 ± 0.03 0.14 ± 0.03 0.14 ± 0.03 0.551NS
Hepatic artery resistive index 0.7 ± 0.03 0.7 ± 0.03 0.7 ± 0.03 0.7 ± 0.03 0.962NS
Hepatic artery pulsatility index 1.4 ± 0.08 1.4 ± 0.12 1.4 ± 0.07 1.3 ± 0.08 0.303NS
Splenic artery resistive index 0.7 ± 0.02 0.7 ± 0.02 0.7 ± 0.02 0.7 ± 0.01 0.390NS
Portal hypertensive index 2.7 ± 0.65 2.7 ± 0.31 2.5 ± 0.51 2.8 ± 0.27 0.210NS
Liver vascular index 9.1 ± 1.98 8.6 ± 1.11 8.6 ± 2.8 8.7 ± 1.25 0.581NS
  1. NS = no significant difference, P > 0.05
  2. *High significant difference, P < 0.001