Results of magnetic resonance imaging of the cervical cord and vertebrae in dizzy and non-dizzy subjects
| Dizzy group (n=125) | Non-dizzy group (n=86) | p Value | |
|---|---|---|---|
| Values are n (%). The denominator used to calculate the percentage is the number of scans where information is available. | |||
| *Mantel–Haenszel test for linear association; †κ2 square test (some abnormality v no abnormality). | |||
| ‡Scans unclear or unreadable. | |||
| Cord compression | 0.81* | ||
| None | 53 (44) | 38 (45) | |
| Mild | 58 (49) | 38 (45) | |
| Severe | 8 (7) | 8 (10) | |
| ‡No information | 6 | 2 | |
| Subluxation | 0.51† | ||
| None | 113 (95) | 77 (92) | |
| 0–1 cm | 6 (5) | 7 (8) | |
| >1 cm | 0 (0) | 0 (0) | |
| ‡No information | 6 | 2 | |
| Facet joint degeneration | 0.16* | ||
| None | 32 (27) | 27 (32) | |
| Mild | 31 (26) | 25 (30) | |
| Moderate | 32 (27) | 21 (25) | |
| Severe | 24 (20) | 11 (13) | |
| ‡No information | 6 | 2 | |
| Vertebral artery compression | 0.16† | ||
| None | 63 (53) | 53 (64) | |
| Right | 15 (13) | 7 (8) | |
| Left | 14 (12) | 7 (8) | |
| Bilateral | 27 (23) | 16 (19) | |
| ‡No information | 6 | 3 | |
| Vertebral artery occlusion | 1.0† | ||
| None | 90 (76) | 63 (76) | |
| Right | 17 (14) | 6 (7) | |
| Left | 8 (7) | 12 (15) | |
| Bilateral | 4 (3) | 2 (2) | |
| ‡No information | 6 | 3 | |