| Spinal nerve roots in the DFO group | F | P-value | |||||
US-Guided LESI (n = 10) | FL-Guided LESI (n = 10) | US-Guided CESI (n = 10) | FL-Guided CESI (n = 10) | Blinding LSPSI (n = 10) | ||||
Baseline VAS | Mean | 8.2 | 8.6 | 7.7 | 7.9 | 7.8 | 0.72 | 0.580 NS |
±SD | 0.9 | 0.8 | 2.1 | 1.1 | 1.4 | |||
VAS 1 week | Mean | 3.8 | 4.5 | 3.4 | 3.7 | 4 | 1.01 | 0.414 NS |
±SD | 1.1 | 1.2 | 1.3 | 1.5 | 1.3 | |||
VAS 1 month | Mean | 2.2 | 2.5 | 2 | 1.9 | 2.2 | 0.34 | 0.844 NS |
±SD | 1.0 | 1.4 | 1.1 | 1.6 | 0.9 | |||
VAS 2 months | Mean | 2.1 | 1.9 | 2.4 | 2.4 | 3.8 | 1.76 | 0.153 NS |
±SD | 1.9 | 1.7 | 1.4 | 2.0 | 1.9 | |||
| Para-Spinal root comparisons | |||||||
P1 | P2 | P3 | P4 | |||||
Baseline VAS | 0.513 NS | 0.193 NS | 0.870 NS | 0.870 NS | ||||
VAS at 1 week | 0.730 NS | 0.390 NS | 0.303 NS | 0.605 NS | ||||
VAS at 1 month | 1.0 NS | 0.590 NS | 0.719 NS | 0.590 NS | ||||
VAS at 2 months | 0.038 S | 0.021 S | 0.085 NS | 0.085 NS |