Table 1.
Comparison of patients on demographic and procedural characteristics
| Variable | RFA group (n = 36) | Endoscope group (n = 36) | p-value |
|---|---|---|---|
| Age | 63.69 ± 2.42 | 62.27 ± 2.37 | 0.905 |
| Sex | 0.198 | ||
| Male | 8 (22.2) | 13 (36.1) | |
| Female | 28 (77.8) | 23 (63.9) | |
| Height (cm) | 157.43 ± 1.32 | 158.54 ± 1.42 | 0.658 |
| Weight (kg) | 66.03 ± 1.80 | 63.92 ± 1.99 | 0.542 |
| BMI (kg/m2) | 26.7 ± 4.34 | 25.68 ± 4.19 | 0.838 |
| Smoking | 4 (11.1) | 1(2.7) | 0.177 |
| Alcohol | 2 (5.6) | 1(2.7) | 0.558 |
| Unilateral LBP | 15 (42) | 18 (49) | 0.77 |
| Bilateral LBP | 20 (56) | 17 (49) | |
| Coccyx pain | 1 (3) | 1 (2) | |
| Previous spine surgery | 14 (38.9) | 19 (54.2) | 0.240 |
| Operation time (min) | 39.08 ± 14.05 | 61.75 ± 23.55 | < 0.001* |
| Opioid use | |||
| Before | 8 (22.2) | 4 (11.1) | 0.209 |
| After | 6 (16.7) | 4 (11.1) | 0.499 |
Values are presented as number (%) or mean±standard deviation.
RFA, radiofrequency ablation; BMI, body mass index; LBP, low back pain.
*
p<0.05, statistically significant differences.