The number of afferent veins of varices The number of afferent veins n% 1 afferent vein 24 50.0 2 afferent veins 17 35.4 3 afferent veins 7 14.6 Average 1, 6 ± 0, 7 Comment: The average of afferent veins was 1.6 ± 0.7, varices with 1 afferenr vein accounted for 50.0%, 14.6% of patients had 3 afferent veins.