Data on 107 patients evaluated for spontaneous spinal CSF leak and intracranial hypotension
| Criterion | Total No. M:F | Mean Age (SD) Range | Positive Brain MR Results | Spinal Imaging CSF Leak/Diverticula | Low OP | Response to EBP |
|---|---|---|---|---|---|---|
| Patients meeting diagnostic criteria | ||||||
| Criterion A | 78 | 40.6 (12.5) | ||||
| 30:48 | 12–61 | 57/78 | 78/28 | 60/64 | 72/75 | |
| Criterion B | 11 | 49.2 (12.3) | 11/11 | 0/7 | 5/6 | 7/8 |
| 4:7 | 34–72 | |||||
| Criterion C | 5 | 42.8 (6.6) | 0/5 | 0/5 | 5/5 | 5/5 |
| 2:3 | 37–52 | |||||
| Total | 94 | 41.7 (12.5) | 68/94 | 78/40 | 70/75 | 84/88 |
| 36:58 | 12–72 | |||||
| Patients not meeting diagnostic criteria | ||||||
| 13 | 43.5 (20.3) | 0/13 | 0/0 | 1/13 | 1/11 | |
| 4:9 | 13–76 |
Note:—M:F indicates male-to-female ratio; SD, standard deviation; OP, opening pressure; EBP, epidural blood patch.