Table 1.
Cohort characteristics
| Characteristic | Frozen | Paraffin |
|---|---|---|
| Average age | 48.5 | 53.5 |
| Median age | 51 | 53 |
| Spinal samples | 4 | 3 |
| Brain samples | 8 | 29 |
| Total number | 12 | 32 |
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