Table 2.

Table summarizing characteristics of the three included studies

Title	Author (year)	Type of study	Sample size
“Magnetic resonance imaging in the evaluation of anatomical risk factors for paediatric obstructive sleep apnoea–hypopnoea: a pilot study”	Cappabianca et al19 (2012)	CCT	80
“Magnetic resonance imaging of the upper airway structure of children with obstructive sleep apnea syndrome”	Arens et al1 (2001)	CCT	36
“Upper airway size analysis by magnetic resonance imaging of children with obstructive sleep apnea syndrome”	Arens et al14 (2003)	CCT	40

CCT, controlled clinical trial.