Table 2 Preoperative radiographic characteristic of the six patients with LSDs
Patient no. | C2/7 angle (degree) | ADI (mm) | ⊿ADI (mm) | ADI of CT (mm) | ROM (degree) | Most stenotic level on MRI |
|---|---|---|---|---|---|---|
#1 | 4 | 1 | 0.1 | 1.3 | 62 | C3-4 |
#2 | 4 | 1 | 0.4 | 1.7 | 53 | C1 |
#3 | 16 | 2.5 | 2 | 2.2 | 56 | C1 |
#4 | -1 | 1.6 | 1.4 | 1.6 | 54 | C1 |
#5 | 2 | 1.3 | 0.2 | 1.4 | 56 | C1 |
#6 | 39 | 1.9 | 1 | 2.4 | 69 | C1 |