Classification Approaches for Treating Low Back Pain Have Small Effects That Are Not Clinically Meaningful: A Systematic Review With Meta-analysis

To determine whether classification systems improve patient-reported outcomes for people with low back pain (LBP).Systematic review with meta-analysis.The MEDLINE, Embase, CINAHL, Web of Science Core Collection, and Cochrane Central Register of Controlled Trials databases were searched from inception to June 21, 2021. Reference lists of prior systematic reviews and included trials were screened.We included randomized trials comparing a...