Table 4 NRS score results of patients with one level injected compared to those having two or more spinal levels injected within the group of responders (postal questionnaire)
Baseline data and outcomes | 1 level injected, mean + (SD) | 2 or more levels injected, mean + (SD) | 1 vs. 2 level statistical significance (p) |
|---|---|---|---|
Pre NRS (baseline) | 6.8 + (2.1) | 7.0 + (2.0) | 0.666 |
20-30-min NRS | 3.8 + (2.5)* | 4.0 + (2.7)* | 0.524 |
1-month NRS | 4.6 + (2.7)* | 4.4 + (2.6)* | 0.682 |