From: Comparison of the effectiveness of ultrasound-guided versus fluoroscopy-guided medial lumbar bundle branch block on pain related to lumbar facet joints: a multicenter randomized controlled non-inferiority study
US group
FS group
P-value
Mann-Whitney test
HADS anxiety
9.8 ± 5.2
10.6 ± 4.7
0.61
HADS depression
6.7 ± 4.6
6.7 ± 4.7
0.94
HADS total
16.3 ± 9.3
17.3 ± 8.8
0.59