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Diameter and length of the vertebral artery V4 segment grouped according to race and laterality in South African patients.
| Black | Indian | White | ||||
|---|---|---|---|---|---|---|
| Left | Right | Left | Right | Left | Right | |
| V4 Diameter | 3.17 (0.7) | 3.17 (0.7) | 3.17 (0.69) | 3.17 (0.7) | 3.17 (0.62) | 3.17 (0.68) |
| V4 Length | 32.74 (9.13) | 30.71 (9.15) | 32.20 (7.74) | 30.86 (8.6) | 32.38 (6.87) | 31.61 (6.34) |
Results are reported as median (IQR interquartile range) mm.
