| C. Modalities of CSF draw | ||||||
|---|---|---|---|---|---|---|
| LP | Ommaya | Intraoperative | Unknown | LP and Ommaya | Total number of patients | |
| First CSF Draw | 23 | 2 | 1 | 0 | 0 | 26 |
| Subsequent CSF Draws | 5 | 7 | 0 | 1 | 1 | 14 |
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