CMFt	Craniomaxillofacial trauma
SR	Systematic review
MA	Meta-analysis
SR/MA	Systematic review and meta-analysis
ITS	Interrupted time-series
LOS	Length of stay
DEIS	Departamento de Estadísticas e Información de Salud
ICD-10	International Classification of Diseases, 10th Revision
JBI	Joanna Briggs Institute
PRISMA	Preferred Reporting Items for Systematic Reviews and Meta-Analyses
PRISMA-S	PRISMA extension for Reporting Literature Searches in Systematic Reviews
PROSPERO	International Prospective Register of Systematic Reviews
MeSH	Medical Subject Headings
GRADE	Grading of Recommendations, Assessment, Development and Evaluation
REML	Restricted maximum likelihood
CI	Confidence interval
CT	Computed tomography
NOE	Naso-orbito-ethmoidal