Ultrasonography-Guided Lumbar Periradicular Injections for Unilateral Radicular Pain

Table 1

Demographic data for patients.

Characteristic	IP technique; ()	OP technique; ()
Age, years (SD)	56.23 (10.30)	58.17 (9.62)
Sex M/F,	16/9	13/8
Weight, kilograms (SD)	58.76 (8.31)	59.82 (7.20)
Height, meters (SD)	1.64 (0.05)	1.67 (0.04)
Body mass index, kg/m^2 (SD)	21.70 (2.78)	21.14 (2.34)
Left/right,	15/10	14/7
Spinal level of injection
L4, (%)	14 (56.0)	12 (57.1)
L5, (%)	11 (44.0)	9 (42.9)
VAS (SD) before injection	7.26 (1.00)	7.34 (1.08)