Table 3.
Procedure | n | % |
---|---|---|
CNS procedure | 1,273 | 32.3 |
Lumbar pucture | 472 | 12.0 |
Brain procedure | 842 | 21.4 |
Any ventricular shunt | 564 | 14.3 |
Shunt removal/replace | 217 | 5.5 |
Ventriculostomy | 155 | 3.9 |
Brain excision | 131 | 3.3 |
Craniotomy | 23 | 0.6 |
MRI or CT scan of brain | 1,256 | 31.9 |
CNS = central nervous system; MRI = magnetic resonance imaging, CT = computed tomographic.