Table 4.
Clinical, Biochemical, and Radiological Characteristics of Patients With Chiari I Malformations
| Chiari I malformation and protrusion of the cerebellar tonsils | >5 mm n = 7 | <5 mm n = 3 | No protrusion n = 29 | N/A n = 5 |
|---|---|---|---|---|
| Sagittal suture (n) | ||||
| Complete fusion | 5 | 2 | 9 | 2 |
| Partial fusion | 1 | 1 | 5 | 1 |
| Patent | 1 | 0 | 15 | 2 |
| Cranial index | ||||
| <75% | 4 | 0 | 9 | 3 |
| 75–80% | 2 | 3 | 5 | 0 |
| >80% | 1 | 0 | 15 | 2 |
| Leg deformities (n) | ||||
| Yes | 6 | 3 | 18 | 2 |
| No | 1 | 0 | 11 | 3 |
| Dental abscesses (n) | ||||
| Yes | 4 | 1 | 13 | 3 |
| No | 3 | 2 | 16 | 2 |
| ALP (n) | ||||
| <400 IU/L | 4 | 1 | 19 | 3 |
| >400 IU/L | 3 | 1 | 10 | 1 |
| N/A | 0 | 1 | 0 | 1 |
ALP = alkaline phosphatase.