Hydrostatic epidural pressure measurements in patients who underwent routine L4-L5 and L5-S1 interlaminar full-endoscopic discectomy.
| Patient | Gender | Age, y | Weight, kg | Measured Hydrostatic Pressure, mm Hg |
| 1 | M | 54 | 82 | 26.5 |
| 2 | M | 62 | 71 | 20.0 |
| 3 | F | 46 | 131 | 22.5 |
| 4 | M | 65 | 92 | 26.0 |
| 5 | M | 72 | 86 | 23.0 |
| 6 | F | 58 | 61 | 29.0 |
| 7 | F | 51 | 65 | 20.0 |
| 8 | F | 46 | 90 | 28.0 |
| 9 | M | 39 | 78 | 23.5 |
| 10 | M | 40 | 89 | 21.0 |
| 11 | M | 36 | 70 | 29.0 |
| 12 | M | 52 | 62 | 25.5 |
Abbreviations: F, female; M, male.