No. patients (n = 100) with squaring by modified Stoke Ankylosing Spondylitis Spine Score in cervical vertebrae 4 through 7.
| Vertebral Corner | Proportion with Squaring | |
|---|---|---|
| Reader 1 | Reader 2 | |
| C4 upper | 20 | 37 |
| C4 lower | 55 | 37 |
| C5 upper | 4 | 9 |
| C5 lower | 16 | 9 |
| C6 upper | 9 | 7 |
| C6 lower | 23 | 7 |
| C7 upper | 43 | 30 |
| C7 lower | 53 | 30 |