“…CoE indicates class of evidence; CT, computed tomography; MRI, magnetic resonance imaging; NR, not reported; FU, follow-up; SIJ, sacroiliac joint; OA, osteoarthritis; IA, inflammatory arthritis; LBP, low back pain; P2G, phenol, glycerine, glucose; BT, Botulinum toxin type A; NRS, numeric rating scale for pain; MMPI, Minnesota Multiphasic Personality Inventory; FPI, Freiburg personality inventory; FAPK, questionnaire for recognition of psychosomatic diseases; ICBG, iliac crest bone graft. Although these studies were designed to compare injection treatments, for the purpose of this review they are considered case series, with each arm addressed separately, since the study question focuses on comparing surgery with injection
9,
11,
12†Demographics applicable to patients analyzed;11 patients completing all discharge questionnaires;13 and patients before diagnostic block performed (n = 118 patients had positive diagnostic block and were included in study) 10.
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