Table I.

Inclusion and exclusion criteria.

Inclusion criteria	Exclusion criteria
Patients with adolescent idiopathic scoliosis	Patients who underwent surgery
Patients who underwent bracing as treatment, or put under observation with or without exercise	Studies including patients with other types of scoliosis, e.g. degenerative, congenital
Studied one or more radiological morphological predictors	Specialized CT, MRI, and electromyography predictors not routinely assessed, e.g. electromyography, neurological factors
Studies with a clearly defined outcome of progression	Studies reporting neither p-values nor odds ratios with confidence intervals
Longitudinal studies in English	Model development studies without identification of individual predictors
	Case series, case reports, conference summaries, cross-sectional studies, unpublished literature, commentaries, and reviews