| TA | SLE | Normals | p Value (TA vs SLE vs normals) | |
| Wall volume left/mm3 | 1030 | 774 | 625 | <0.05 |
| Wall volume right/mm3 | 1059 | 748 | 655 | <0.05 |
| W/OW right (%) | 45 | 36 | 32 | <0.05 |
| W/OW left (%) | 51 | 35 | 31 | <0.05 |
SLE, systemic lupus erythematosus; TA, Takayasu’s arteritis; W/OW, wall/outer wall ratio.
Box plot of Z scores for vessel wall volume for TA, SLE and normal subjects, left and right carotid arteries. Z score, standard deviation.