Comparison of Incidences of Intravascular Injection between Medial and Lateral Side Approaches during Traditional S1 Transforaminal Epidural Steroid Injection

Table 4

Logistic regression analysis of potential factors associated with intravascular injection during S1 transforaminal epidural steroid injection.

	OR (95% CI)	value
Lateral approach	12.874 (4.063–40.793)	<0.001
Female	1.613 (0.659–3.950)	0.296
Age	1.021 (0.982–1.061)	0.300
BMI	0.911 (0.766–1.083)	0.289
Diagnosis
Spinal stenosis	0.136 (0.007–2.638)	0.188
HLD	0.322 (0.019–5.540)	0.435
FBSS	0.077 (0.002–2.416)	0.145
Spinal stenosis and HLD	0.086 (0.003–2.336)	0.145
Previous surgery	2.422 (0.646–9.072)	0.189

Values are number (95% CI). HLD, herniated lumbar disc L5-S1; FBSS, failed back surgery syndrome. value < 0.05.