Table 1.
Variable | Value (n = 219) | |
Age, mean ± SEM (years) | 43.65 ± 0.82 | |
Sex | Female | 118 (53.9) |
Male | 111 (46.1) | |
BMI, mean ± SEM (kg/m²) | 27.06 ± 0.29 | |
Mean duration of symptoms (weeks) | 25.64 ± 2.17 | |
Level of injection | L4-5 | 5 (2.3) |
L5-S1 | 110 (50.2) | |
S1 foramen | 104 (47.5) | |
Nerve rootcompression (%) | Grade 1 | 45 (21.5) |
Grade 2 | 54 (25.8) | |
Grade 3 | 50 (23.9) | |
Grade 4 | 60 (28.7) | |
Transitional vertebrae | Present (%) | 18 (8.2) |
Absent (%) | 201 (91.8) | |
NRS, mean ±SEM | Before injection | 7.33 ± 0.13 |
Postprocedural 1 h | 1.17 ± 0.13 | |
Week 3 | 3.19 ± 0.18 | |
Month 3 | 3.84 ± 0.20 |
BMI: body mass index; NRS: numerical rating scale. Values expressed as mean ± SEM, number, and frequency, or as otherwise indicated.