Patient demographics of spinal CSF leaks
| Demographics | |
| No. | 37 |
| Mean age (SD) at symptom onset (yr) | 44.1 (10.2) |
| Sex | |
| Female | 25 |
| Male | 12 |
| Type 1 leak location (n = 31) | |
| Cervical | 2 |
| Upper thoracic (T1–T6) | 22 |
| Lower thoracic (T7–T12) | 7 |
| Lumbar | 0 |
| Type 2 leak location (n = 6) | |
| Lower thoracic (T7–T12) | 6 |