Table 2.

The measurements of aorta (or common iliac artery right/left) two diameters: sagittal and coronal at the level of intervertebral disc (or upper or lower margin of vertebrae)

	Aorta diameter [mean (mm) ± SD]						Left common iliac artery diameter [mean(mm) ± SD]						Right common iliac artery diameter [mean (mm) ± SD]
	All group		Male group		Female group		All group		Male group		Female group		All group			Male group			Female group
	Sagittal	Coronal	Sagittal	Coronal	Sagittal	Coronal	Sagittal	Coronal	Sagittal	Coronal	Sagittal	Coronal	Sagittal	Coronal	Sagittal		Coronal	Sagittal		Coronal
TH12/L1	22.53 ± 3.69	22.80 ± 3.67	23.49 ± 3.79	23.81 ± 3.79	21.38 ± 3.2	21.6 ± 3.12	–	–	–	–	–	–	–	–	–		–	–		–
L1 U	22.38 ± 3.79	22.51 ± 4.29	23.34 ± 3.78	23.67 ± 4.72	21.15 ± 3.65	21.13 ± 3.2	–	–	–	–	–	–	–	–	–		–	–		–
L1 L	20.27 ± 3.69	20.58 ± 3.57	21.25 ± 3.58	21.66 ± 3.41	19.1 ± 3.46	19.29 ± 3.32	–	–	–	–	–	–	–	–	–		–	–		–
L1/L2	19.47 ± 3.61	20.17 ± 3.59	20.47 ± 3.59	21.24 ± 3.56	18.27 ± 3.25	18.9 ± 3.19	–	–	–	–	–	–	–	–	–		–	–		–
L2 U	19 ± 3.42	19.38 ± 3.49	20.04 ± 3.42	20.34 ± 3.44	17.75 ± 2.96	18.24 ± 3.18	–	–	–	–	–	–	–	–	–		–	–		–
L2 L	18.41 ± 3.23	18.5 ± 3.26	19.6 ± 3.21	19.65 ± 3.2	17 ± 2.61	17.14 ± 2.77	–	–	–	–	–	–	–	–	–		–	–		–
L2/L3	18.4 ± 3.28	18.5 ± 3.71	19.59 ± 3.36	19.71 ± 4.16	16.98 ± 2.55	17.06 ± 2.4	–	–	–	–	–	–	–	–	–		–	–		–
L3 U	18.16 ± 3.31	18.28 ± 3.22	19.32 ± 3.5	19.43 ± 3.42	16.77 ± 2.42	16.91 ± 2.29	–	–	–	–	–	–	–	–	–		–	–		–
L3 L	17.66 ± 3.32	18.14 ± 3.25	18.90 ± 3.53	19.46 ± 3.32	16.16 ± 2.27	16.53 ± 2.32	–	–	–	–	–	–	–	–	–		–	–		–
L3/L4	17.81 ± 3.32	18.38 ± 3.47	19.02 ± 3.55	19.73 ± 3.63	16.33 ± 2.25	16.73 ± 2.41	9.9 ± 1.58	9.56 ± 1.1	10.83 ± 1.28	10.56 ± 1.43	9.49 ± 1.52	9.12 ± 0.49	10.1 ± 1.36	10.12 ± 1.31	11.27 ± 1.48		11.02 ± 1.27	9.53 ± 0.9		9.73 ± 1.12
L4 U	17.89 ± 7.74	18.62 ± 3.54	19.27 ± 9.89	19.9 ± 3.7	16.17 ± 2.64	17.01 ± 2.53	10.66 ± 1.75	11.25 ± 2.57	11.75 ± 1.65	12.6 ± 2.9	9.87 ± 1.34	10.26 ± 1.7	10.52 ± 1.77	10.86 ± 1.84	11.52 ± 1.71		11.8 ± 1.77	9.79 ± 1.42		10.18 ± 1.56
L4 L	17.36 ± 3.62	19.82 ± 3.9	18.84 ± 3.73	21.45 ± 3.82	15.66 ± 2.58	17.93 ± 3.05	11.33 ± 2.3	11.53 ± 2.45	12.03 ± 2.39	12.19 ± 2.6	10.47 ± 1.84	10.71 ± 1.95	11.17 ± 2.29	12.3 ± 3.73	11.76 ± 2.18		12.94 ± 3.56	10.43 ± 2.21		11.51 ± 3.79
L4/L5	17.19 ± 3.41	20.25 ± 4.27	18.57 ± 3.06	21.88 ± 3.8	15.59 ± 3.07	18.37 ± 4	11.85 ± 4.83	12.03 ± 4.17	12.72 ± 5.81	12.89 ± 5.13	10.8 ± 2.97	10.98 ± 2.15	11.64 ± 2.82	12.93 ± 5.37	12.35 ± 2.76		13.49 ± 4.17	10.8 ± 2.65		12.26 ± 6.46
L5 U	16.62 ± 3.18	20.93 ± 3.72	17.25 ± 3.25	22.23 ± 3.33	15.42 ± 2.66	18.49 ± 3.14	11.97 ± 3.12	12.4 ± 3.39	12.8 ± 3.38	13.15 ± 3.50	11.0 ± 2.45	11.52 ± 3.02	11.81 ± 3	13.15 ± 4.17	12.66 ± 3.10		13.71 ± 3.97	10.81 ± 2.5		12.48 ± 4.32
L5 L	–	–	–	–	–	–	12.05 ± 4.64	13.89 ± 5.85	12.81 ± 3.96	15.06 ± 6.07	11.14 ± 5.21	12.49 ± 5.24	13.10 ± 4.57	13.04 ± 5.36	13.85 ± 4.97		14.10 ± 5.66	12.18 ± 3.84		11.73 ± 4.65

U upper margin of disc, L lower margin of disc