“…Twenty-one CPGs met the inclusion and exclusion criteria, of which seven (33.3%) were devoted to neck pain [28,[30][31][32][33][34]49] (i.e., Canada, KNGF, APTA, DHA, OPTIMa, Scottish and SIMFER CPGs), fourteen (66.6%) CPGs were devoted to back pain [33,[35][36][37][38][39][40][41][42][43][44][45][46][47] (i.e., ACP, ACI, Belgium, Canada, DHA, German, Globe et al, NDMG, KNGF, Scottish, Colorado, TOP, VA/DoD and NICE CPGs), and 3 (14.3%) CPGs were devoted to sciatica [38,47,48] (i.e., DHA, NASS and NICE CPGs). Some guidelines contained more than one site.…”