Table 2.
Number of exposed foramina and mean distance from the foramina to the bony landmark
| Exposure (/14) | Lt (/7) | Rt (/7) | Lt. superior articular facet (mm) | Lt. border of the laminae (mm) | Rt. superior articular facet (mm) | Rt. border of the laminae (mm) | |
|---|---|---|---|---|---|---|---|
| T1 | 12 | 6 | 6 | 4.09 ± 0.52 | 3.64 ± 0.63 | 4.09 ± 0.71 | 3.75 ± 0.68 |
| T2 | 11 | 5 | 6 | 4.44 ± 1.55 | 3.99 ± 0.86 | 4.30 ± 1.24 | 4.24 ± 1.02 |
| T3 | 8 | 4 | 4 | 4.71 ± 1.01 | 3.99 ± 0.46 | 4.69 ± 0.89 | 4.27 ± 0.24 |
| T4 | 8 | 4 | 4 | 4.07 ± 1.21 | 4.07 ± 0.53 | 3.62 ± 1.48 | 3.91 ± 0.42 |
| T5 | 4 | 3 | 1 | 3.67 ± 0.26 | 3.61 ± 0.72 | 5.74 | 4.40 |
| T6 | 8 | 5 | 3 | 4.44 ± 1.23 | 4.02 ± 0.36 | 4.44 ± 1.21 | 3.80 ± 0.60 |
| T7 | 7 | 4 | 3 | 3.54 ± 0.45 | 4.23 ± 0.17 | 3.49 ± 0.28 | 3.90 ± 0.53 |
| T8 | 10 | 5 | 5 | 3.55 ± 0.54 | 4.49 ± 1.25 | 3.38 ± 0.71 | 4.18 ± 0.89 |
| T9 | 8 | 4 | 4 | 3.80 ± 0.90 | 4.64 ± 1.80 | 4.11 ± 0.79 | 4.08 ± 0.49 |
| T10 | 12 | 5 | 7 | 4.20 ± 0.81 | 4.08 ± 0.43 | 3.64 ± 0.95 | 4.27 ± 0.35 |
| T11 | 8 | 4 | 4 | 4.03 ± 0.23 | 3.28 ± 1.19 | 3.56 ± 0.92 | 3.67 ± 1.13 |
| T12 | 12 | 6 | 6 | 4.65 ± 1.37 | 2.67 ± 0.58 | 4.28 ± 1.54 | 2.84 ± 0.53 |