Descriptive statistics of fistulas
| Overall (n = 120) | |
|---|---|
| Fistula side | |
| Left | 44 (36.7%) |
| Right | 76 (63.3%) |
| Lumbar | |
| No | 117 (97.5%) |
| Yes | 3 (2.5%) |
| Thoracic | |
| No | 6 (5.0%) |
| Yes | 114 (95.0%) |
| Cervical | |
| No | 117 (97.5%) |
| Yes | 3 (2.5%) |
| Paraspinal drainage only | |
| No | 33 (27.5%) |
| Yes | 87 (72.5%) |
| Epidural drainage only | |
| No | 109 (90.8%) |
| Yes | 11 (9.2%) |
| Paraspinal and epidural drainage | |
| No | 98 (81.7%) |
| Yes | 22 (18.3%) |
| Bern score pretreatment | |
| Mean (SD) | 6.4 (2.3) |
| Median (Q1, Q3) | 7.0 (5.0, 8.0) |
| Missing | 1 (0.8%) |