Research Article
Parkinsonian Symptomatology May Correlate with CT Findings before and after Shunting in Idiopathic Normal Pressure Hydrocephalus
Table 3
Effect of ventriculoperitoneal shunt operation on the computed tomography findings.
| | Pre VP shunt | Post VP shunt | P value | | (Mean SD) | (Mean SD) | |
| Evans index | 0.38 0.047 | 0.33 0.43 | .001 | Third ventricle width at superior colliculus | 10.55 1.80 | 8.14 2.03 | .037 | Third ventricle width at foramen of Monro | 12.87 2.00 | 11.24 2.43 | .155 | Anteroposterior diameter of midbrain | 20.86 2.03 | 22.47 1.77 | .159 | Left-to-right diameter of midbrain | 29.64 2.82 | 29.59 2.14 | .967 |
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P value by 2-way analysis of variance with repeated measure. The total number of patients was 12.
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