Table 3.
Characteristics of the non-responders and responders at six months after combined epidural adhesiolysis and balloon decompression in patients with lumbar post-laminectomy syndrome.
| Non-Responder | Successful Responder | p-Value | |
|---|---|---|---|
| (n = 114) | (n = 33) | ||
| Age (years) | 68.0 (60.0–75.0) | 67.0 (60.5–71.0) | 0.257 |
| Sex (male/female) | 48 (40.7%)/70 (59.3%) | 13 (39.4%)/20 (60.6%) | 0.894 |
| Weight | 64.0 (56.2–70.0) | 64.1 (57.0–71.3) | 0.679 |
| Height (cm) | 158.0 (152.0–168.0) | 160.0 (153.5–166.7) | 0.673 |
| BMI (kg/m2) | 25.0 ± 3.2 | 25.1 ± 2.9 | 0.924 |
| Duration of pain | 36.0 (19.0–67.0) | 14.0 (6.0–48.0) | 0.002 |
| BDI | 16.7 ± 12.3 | 14.0 ± 8.4 | 0.690 |
| ODI | 48.6 ± 19.0 | 50.0 ± 16.0 | 0.769 |
| Pain intensity (NRS) | |||
| Lower back pain | 7.3 ± 1.6 | 7.5 ± 1.9 | 0.605 |
| Leg pain | 7.3 ± 1.6 | 7.2 ± 1.6 | 0.692 |
| Previous surgery type | 0.678 | ||
| Discectomy | 58 (50.9%) | 14 (42.4%) | |
| Fusion surgery | 51 (44.7%) | 17 (51.5%) | |
| Others | 5 (4.4%) | 2 (6.1%) | |
| Previous surgery number | 0.161 | ||
| 1 | 85 (74.6%) | 29 (87.9%) | |
| 2 | 20 (17.5%) | 4 (12.1%) | |
| 3 or more | 9 (7.9%) | 0 (0.0%) | |
| Symptom | 0.449 | ||
| Lower back pain | 28 (24.6%) | 5 (15.2%) | |
| Leg pain | 26 (22.8%) | 7 (21.2%) | |
| Both | 60 (52.6%) | 21 (63.6%) | |
| Diabetes | 28 (24.6%) | 8 (24.2%) | 0.970 |
| Hypertension | 51 (44.7%) | 18 (54.5%) | 0.320 |
| Neuropathic component | 48 (42.1%) | 12 (36.4%) | 0.555 |
| Previous neuroplasty | 28 (24.6%) | 7 (21.2%) | 0.691 |
| Spondylolisthesis | 55 (48.2%) | 17 (51.5%) | 0.741 |
Data are expressed as numbers (%) and means ± standard deviation. BMI = body mass index; BDI = Beck depression inventory; ODI = Oswestry Disability Index; NRS = numeric rating scale.