Table 2. Distribution of anatomical variants of the Huang classification type A1.

"Classification of other authors" corresponds to the following classifications used by other authors: Couinaud [19,21], Cucchetti [11], Ohkubo [5,20], Huang [14,17,18,22,29], Abdelkareem [23], Yoshida [7,27], Al-Jiffry [24], Sharma [25], Thungsuppawattanakit [26], Cho [10], Choi [3,28], Lee [8], and Puente [9]. "Type" corresponds to the variant type in each classification

Classification of other authors	Type	n	Rate by classification of other authors
Couinaud [19,21]	A	57	58.16
Cucchetti [11]	1	129	64.50
Ohkubo [5,20]	A and D	82	64.06
Huang [14,17,18,22,29]	A1	397	53.43
Abdelkareem [23]	a and b	309	90.35
Yoshida [7,27]	1	386	66.32
Al-Jiffry [24]	A	104	58.76
Sharma [25]	1	134	52.96
Thungsuppawattanakit [26]	A	106	65.03
Cho [10]	1	38	63.33
Choi [3,28]	1	213	63.96
Lee [8]	Typical anatomy	78	72.22
Puente [9]	1	2217	57.66