Table 9 Analysis of Angular Craniometric Parameters of Posterior Cranial Fossa and Foramen Magnum and Surrounding territory
Angular Craniometric Parameters | Controls (n = 120) Mean ± SD | Range |
|---|---|---|
Basal angle (°) | 125.92 ± 4.41 | 118.3–144 |
Boogard angle (°) | 136.89 ± 3.39 | 129.7–152.1 |
NBO angle (°) | 169.4 ± 2.01 | 163.5–173.2 |
Foramen magnum angle (°) | 12.88 ± 1.74 | 9.6–18 |
Clivo-odontoid angle (°) | 145.58 ± 8.78 | 117.3–157.2 |
Clivo palatal angle (°) | 60.1 ± 5.76 | 46–71 |
Clivus canal angle (°) | 161.19 ± 9.07 | 132.1–173.2 |
Clivus supraocciput angle (°) | 77.6 ± 4.52 | 65.3–93.5 |
Tentorial slope (°) | 88.5 ± 5.87 | 67–98 |
Tentorial twinning line angle (°) | 34.09 ± 2.12 | 27.3–40.3 |