Table 4.
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 in male and female groups
| 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 | |
| Male | |||||||||||||||||||||
| TH12/L1 | 0 | 0 | 2.31 | 3.3 | 93.73 | 0.66 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L1 U | 0 | 0 | 1.67 | 3.68 | 93.31 | 0.33 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L1 L | 0 | 0 | 2.99 | 4.32 | 92.69 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L1/L2 | 0 | 0 | 1.66 | 4.98 | 93.36 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L2 U | 0 | 0 | 2.32 | 6.62 | 91.06 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L2 L | 0 | 0 | 7.95 | 8.94 | 83.11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L2/L3 | 0 | 0 | 9.6 | 10.26 | 80.13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L3 U | 0 | 0 | 9.9 | 11.22 | 78.88 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L3 L | 0 | 0 | 19.14 | 14.85 | 66.01 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L3/L4 | 0 | 0 | 18.12 | 16.78 | 64.77 | 0 | 0.34 | 0 | 0 | 0 | 0 | 100 | 0 | 0 | 0 | 0 | 66.67 | 33.33 | 0 | 0 | 0 |
| L4 U | 0 | 0 | 18.31 | 18.66 | 63.03 | 0 | 0 | 0 | 0 | 0 | 5.26 | 94.74 | 0 | 0 | 0 | 0 | 68.42 | 31.58 | 0 | 0 | 0 |
| L4 L | 0 | 0 | 28.21 | 15.38 | 56.41 | 0 | 0 | 0 | 0 | 2.7 | 6.49 | 89.19 | 1.08 | 0.54 | 0 | 0 | 80.98 | 9.78 | 9.24 | 0 | 0 |
| L4/L5 | 0 | 0 | 23.73 | 22.03 | 54.24 | 0 | 0 | 0 | 0 | 8.33 | 2.5 | 86.25 | 1.67 | 1.25 | 1.26 | 1.26 | 81.93 | 4.62 | 10.92 | 0 | 0 |
| L5 U | 0 | 0 | 17.65 | 5.88 | 76.47 | 0 | 0 | 0 | 0.37 | 11.72 | 4.76 | 76.56 | 1.83 | 4.76 | 2.56 | 1.47 | 80.22 | 4.4 | 10.99 | 0 | 0.37 |
| L5 L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.76 | 0.38 | 60.84 | 8.75 | 29.28 | 11.41 | 7.98 | 78.71 | 0 | 1.9 | 0 | 0 |
| 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 | |
| Female | |||||||||||||||||||||
| TH12/L1 | 0 | 0 | 2.79 | 4.78 | 92.43 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L1 U | 0 | 0 | 2.79 | 4.78 | 92.43 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L1 L | 0 | 0 | 1.19 | 5.14 | 93.68 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L1/L2 | 0 | 0 | 2.37 | 7.11 | 90.12 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L2 U | 0 | 0 | 2.77 | 7.91 | 88.93 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L2 L | 0 | 0 | 8.3 | 7.91 | 83.4 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L2/L3 | 0 | 0 | 11.46 | 9.88 | 78.66 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L3 U | 0 | 0 | 9.09 | 13.83 | 77.08 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L3 L | 0 | 0 | 10.76 | 10.76 | 78.49 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| L3/L4 | 0 | 0 | 12.7 | 11.89 | 75.41 | 0 | 0 | 0 | 0 | 0 | 0 | 100 | 0 | 0 | 0 | 0 | 42.86 | 28.57 | 28.57 | 0 | 0 |
| L4 U | 0 | 0 | 11.06 | 13.27 | 75.66 | 0 | 0 | 0 | 0 | 0 | 0 | 100 | 0 | 0 | 0 | 0 | 53.85 | 19.23 | 26.92 | 0 | 0 |
| L4 L | 0 | 0 | 21.78 | 17.82 | 60.4 | 0 | 0 | 0 | 0 | 2 | 1.33 | 89.33 | 2 | 5.33 | 0.66 | 1.32 | 70.86 | 9.27 | 17.88 | 0 | 0 |
| L4/L5 | 0 | 0 | 19.61 | 23.53 | 56.86 | 0 | 0 | 0 | 0 | 2.51 | 1.01 | 82.91 | 3.52 | 10.05 | 2.01 | 0.5 | 81.91 | 4.52 | 11.06 | 0 | 0 |
| L5 U | 0 | 0 | 22.22 | 22.22 | 55.56 | 0 | 0 | 0 | 0 | 6.87 | 4.29 | 69.96 | 3.86 | 15.02 | 5.73 | 0.88 | 76.65 | 5.29 | 10.57 | 0.44 | 0.44 |
| L5 L | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.23 | 36.41 | 8.29 | 52.07 | 30.23 | 6.51 | 62.33 | 0.47 | 0.47 | 0 | 0 |
A area, U upper margin of disc, L lower margin of disc