|Feeding artery||RAHA||RPHA||CaHA (R)||MHA||CaHA (L)||LMHA||χ2 (Z）||P Value||Test|
|Score, No. (%)||11 (17.7) b||23 (37.1)||3 (4.8)||17 (27.4)||1 (1.6)||7 (11.3)||20.574||0.001||Friedman|
|Score, No. (%)||51 (82.3) c||11 (17.7) d||-2.764||0.006||Wilcoxon|
a Abbreviations: RAHA, right anterior hepatic artery; RPHA, right posterior hepatic artery; CaHA, caudate hepatic artery; MHA, middle hepatic artery; LMHA, left medial hepatic artery; R, right branch; and L, left branch.
b Friedman test is for the scores of RAHA, RPHA, CaHA (R),MHA, CaHA (L) and LMHA.; χ2 = 6.827, P = 0.078.
c The points of RHA system including RAHA, RPHA, right branch of CaHA, and MHA originated from RHA.
d The points of LHA system including LMHA, Left branch of CaHA, and MHA originated from LHA.