Table 2.
Clinical outcomes of patients with limited intracanal contrast spread (IC group) and those with extended extraforaminal contrast spread (EC group) on postadhesiolysis epidurograms obtained during lumbar percutaneous epidural neuroplasty (PEN).
VAS score for back pain | VAS score for leg pain | ODI score | SF-12 score | ||
---|---|---|---|---|---|
Before PEN | IC group | 5.7 ± 2.6 | 4.7 ± 3.1 | 20.0 ± 6.9 | 29.6 ± 7.0 |
EF group | 6.0 ± 2.4 | 6.0 ± 2.8 | 17.8 ± 7.1 | 31.0 ± 7.7 | |
P value | 0.639 | 0.101 | 0.222 | 0.452 | |
1 month after PEN | IC group | 2.9 ± 2.3 | 2.0 ± 2.1 | 12.1 ± 8.4 | 40.3 ± 10.2 |
EF group | 1.9 ± 2.1 | 1.7 ± 1.8 | 6.7 ± 5.6 | 45.7 ± 8.5 | |
P value | 0.076 | 0.532 | 0.007 | 0.023 | |
3 months after PEN | IC group | 3.3 ± 2.2 | 2.6 ± 2.2 | 13.0 ± 7.6 | 39.4 ± 9.6 |
EF group | 2.7 ± 2.1 | 2.6 ± 1.9 | 8.5 ± 5.5 | 43.4 ± 8.7 | |
P value | 0.317 | 0.924 | 0.015 | 0.043 | |
6 months after PEN | IC group | 3.3 ± 2.0 | 2.7 ± 2.3 | 12.6 ± 7.6 | 39.4 ± 9.4 |
EF group | 2.2 ± 2.0 | 2.2 ± 2.1 | 7.1 ± 4.8 | 46.0 ± 6.9 | |
P value | 0.032 | 0.372 | 0.002 | 0.007 | |
12 months after PEN | IC group | 3.7 ± 2.4 | 2.9 ± 2.5 | 12.6 ± 8.2 | 39.3 ± 10.3 |
EF group | 2.7 ± 2.6 | 2.2 ± 2.7 | 7.0 ± 6.0 | 46.1 ± 8.3 | |
P value | 0.087 | 0.274 | 0.005 | 0.007 |
VAS: visual analog scale; ODI: Oswestry Disability Index; SF-12: 12-Item Short-Form Health Survey.