Table 2.

Distribution of abdominal aortas at L1/2–L4/5 intervertebral spaces for 48 patients

Distribution	L1/2		L2/3		L3/4		L/4/5
	n	%	n	%	n	%	n	%
The left of zone I + the left of zone A	1	2.1	1	2.1	1	2.1	0	0
The left of zone A	46	95.8	41	85.4	38	79.1	14	29.2
The midpoint of zone A	1	2.1	5	10.4	8	16.7	7	14.6
The left of zone A + the right of zone A	0	0	0	0	1	2.1	25	52.0
The right of zone A	0	0	1	2.1	0	0	2	4.2
Total	48	100	48	100	48	100	48	100