*: p<0.05; **: p<0.01. X-ray adherence defined as GPs not referring for a lumbosacral plain x-ray. Imaging adherence for vignettes was defined as GPs not referring for any of following three diagnosti
*: pX-ray adherence defined as GPs not referring for a lumbosacral plain x-ray.Imaging adherence for vignettes was defined as GPs not referring for any of following three diagnostic tests: lumbosacral
