Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Compliance
RCT Crossover design	34 people with mild to moderate OSAHS (AHI <30, mean ESS score >7)	Mean nightly use (postcrossover) 8 weeks 4.9 hours with CPAP 4.9 hours with automatically titrated CPAP	P = 0.94		Not significant