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. 2020 Feb 13;50(1):126–131. doi: 10.3906/sag-1908-167

Table 1.

Demographic, radiological, and procedural characteristics.

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.