Table 3.

The percentage location of aorta (or common iliac artery left/right) in particular position (1, ½, 2, 2 ½…) at the level of intervertebral disc or upper or lower margin of vertebrae

	Aorta (%)							Left common iliac artery (%)							Right common iliac artery (%)
	A1	A1 1/2	A2	A2 1/2	A3	A3 1/2	A4	A1	A1 1/2	A2	A2 1/2	A3	A3 1/2	A4	A1	A1 1/2	A2	A2 1/2	A3	A3 1/2	A4
TH12/L1	0	0	2.53	3.97	93.14	0.36	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
L1 U	0	0	2.18	4.18	92.91	0.18	0.55	0	0	0	0	0	0	0	0	0	0	0	0	0	0
L1 L	0	0	2.17	4.69	93.14	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
L1/L2	0	0	1.99	5.96	91.88	0.18	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
L2 U	0	0	2.52	7.21	90.09	0.18	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
L2 L	0	0	8.11	8.47	83.24	0.18	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
L2/L3	0	0	10.45	10.09	79.46	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
L3 U	0	0	9.71	12.23	78.06	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
L3 L	0	0	15.34	13	71.66	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
L3/L4	0	0	15.87	14.39	69.56	0	0.18	0	0	0	0	100	0	0	0	0	50	20	30	0	0
L4 U	0	0	15.1	16.27	68.63	0	0	0	0	2.22	2.22	95.56	0	0	0	0	60	24.44	15.56	0	0
L4 L	0	0	25.23	16.51	58.26	0	0	0	0	2.39	4.18	89.25	1.49	2.69	0.3	0.6	76.49	9.52	13.1	0	0
L4/L5	0	0	21.82	22.73	55.45	0	0	0	0	5.69	1.82	84.74	2.51	5.24	1.6	0.92	81.92	4.58	10.98	0	0
L5 U	0	0	19.23	11.54	69.23	0	0	0	0.2	9.47	4.55	73.52	2.77	9.47	4	1.2	78.6	4.8	10.8	0.2	0.4
L5 L	0	0	0	0	0	0	0	0	0	0.42	1.67	49.8	8.54	39.58	19.87	7.32	71.34	0.21	1.26	0	0

U upper margin of disc, L lower margin of disc