Distribution of cases with clinical and/or imaging concern for CSF leak and the control group
| Cases (n = 49) | Controls (n = 90) | |
|---|---|---|
| Inclusion criteria | Clinical suspicion and/or imaging concerning for CSF leak | Degenerative changes, spinal canal stenosis, radiculopathy, preoperative planning, and so forth |
| Age (yr) (range) | 19–75 (mean, 49) | 25–90 (mean, 58) |
| Sex | M = 14, F = 35 | M = 33, F = 57 |