Table 3 Measurements of the posterior cranial fossa in patients with Chiari-like symptomatology and controls
Measurements depicted in Fig. 2 | Chiari-like Group (N = 22) | Control Group (N = 25) | P |
|---|---|---|---|
Clivus (d+e) | 32.95 ± 8.7 | 43.00 ± 6.6 | 0.00005 |
Supraocciput (IOP to OP) | 40.50 ± 5.9 | 41.80 ± 6.2 | 0.471 |
Basisphenoid (d) | 18.63 ± 5.3 | 23.64 ± 4.9 | 0.002 |
Basiocciput (e) | 14.00 ± 4.3 | 19.36 ± 4.7 | 0.0003 |
Hindbrain (b) | 47.05 ± 4.1 | 46.40 ± 4.4 | 0.609 |
Cerebellum (c) | 47.36 ± 7.9 | 47.04 ± 4.8 | 0.863 |
McRae's (B to OP) | 43.55 ± 4.9 | 42.52 ± 5.9 | 0.524 |
Twining's (DS to IOP) | 84.55 ± 7.8 | 87.32 ± 6.6 | 0.194 |
Tentorial Angle (a) | 41.27 ± 6.5 | 34.84 ± 7.2 | 0.003 |