Comparing the Efficacy of Combined Treatment with Medial Branch Block and Facet Joint Injection in Axial Low Back Pain

Table 1

Preintervention demographic characteristics of patients.

	MBB (N = 33)	FJI (N = 17)	MBB + FJI (N = 16)	Total (N = 66)	value
Sex (male: female)	15 (45.5%): 18 (54.5%)	9 (52.9%): 8 (47.1%)	6 (37.5%): 10 (62.5%)	35 (46.7%): 40 (53.3%)	0.673
Age	61.09 ± 13.47	63.65 ± 11.19	59.50 ± 16.43	60.89 ± 13.27	0.679
ODI	24.45 ± 7.10	24.12 ± 6.63	21.44 ± 9.49	23.27 ± 7.62	0.417
NRS score	5.85 ± 1.54	6.06 ± 1.68	5.13 ± 2.09	5.72 ± 1.67	0.346
Evaluation interval	18.00 ± 10.02	16.29 ± 10.70	12.81 ± 9.03	22.89 ± 27.37	0.241

(1) Chi-square test, (2) one-way ANOVA, 3) Kruskal–Wallis test. MBB, medial branch block; FJI, facet joint injection; MBB + FJI, combined treatment with MBB and FJI; ODI, Oswestry Disability Index; NRS, Numeric Rating Scale.