Methodological characteristics of included systematic reviews.

B – bracing; Ex – exercises; O – observation; Surgery; NR – not reported; P –prospective study; R – retrospective study; C - cohort study; CS – case series; LESS – lateral electrical stimulation; ES – electrical stimulation; RCT – randomised controlled trial; CCT – controlled clinical trial; C–C – case-control study; NCCAM – National Centre for Complementary and Alternative Medicine; ICL – the Index to Chiropractic Literature; NGC – National Guideline Clearinghouse; QoL – quality of life; CENTRAL – the Cochrane Central Register of Controlled Trials; NOS scale – the Nottingham-Ottawa scale; LoE – level of evidence; SoE – strength of evidence; SR – systematic review; SSE - scoliosis-specific exercises; ATR – angle of trunk rotation; RR – risk ratio; MD – mean difference; SMD – standardised mean difference; OMT – osteopathic manipulative treatment; 1series of updates, analysed in concert or separately, depending on how the authors addressed individual study characteristics (also explained in Table S1); 2the review has a section on surgical treatment, not reported here. Methodological characteristics of included systematic reviews.