Grade1 n = 32 | Grade2 n = 30 | Grade3 n = 10 | |
---|---|---|---|
Age (yrs) | 46.1 ± 9.7 | 47.8 ± 8.6 | 46.6 ± 10.3 |
Gender | |||
Male | 19 | 20 | 7 |
Female | 13 | 10 | 3 |
Vertebral segment with minimum value of the pedicular line-aorta distance | 6.6 ± 0.8 | 6.9 ± 0.5 | 6.5 ± 0.8 |
The vertebra/rib-aorta distance (mm) | 1.5 ± 0.8 | 1.6 ± 1.1 | 1.8 ± 0.9 |