Clinical features of patients with and without posterior fossa syndrome
| Variable | PFS (n = 12) | Non-PFS (n = 12) |
|---|---|---|
| Mutism >24 hours | 12 | 0 |
| Immediate postoperative | ||
| Mild-to-moderate dysmetria | 7 | 2 |
| Severe dysmetria | 5 | 0 |
| Mild-to-moderate ataxia | 0 | 7 |
| Severe ataxia | 12 | 2 |
| At last follow-upa | ||
| Mild-to-moderate dysmetria | 2 | 0 |
| Severe dysmetria | 1 | 0 |
| Mild-to-moderate ataxia | 7 | 5 |
| Severe ataxia | 5 | 1 |
Note:—Dysmetria: incoordination of limbs with either some (i.e., mild to moderate) or complete (i.e., severe) impairment of function. Ataxia: impaired ability to sit and walk with independent mobility retained (mild to moderate) or with mobility assistance required (severe).
↵a Time to last follow-up evaluation: 3–99 months.