CLBP	Chronic Low Back Pain
LBP	Low Back Pain
RCT	Randomized Controlled Trial
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
GRADE	Grading of Recommendations, Assessment, Development, and Evaluation
SMD	Standardized Mean Difference
CI	Confidence Interval
ODQ	Oswestry Disability Questionnaire
RM	Roland–Morris Disability Questionnaire
VAS	Visual Analogue Scale
NRS	Numerical Rating Scale
VRS	Verbal Rating Scale
PICOS	Population, Intervention, Comparator, Outcomes, Study Design
IÂ2	Higgins’ I-squared (statistical heterogeneity)
PROSPERO	International Prospective Register of Systematic Reviews
MDPI	Multidisciplinary Digital Publishing Institute
R	Statistical software environment