Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Effusion
RCT	59 children aged 3 to 11 years in secondary care and selected (air force base) settings In review	Effusions 4 weeks with intranasal corticosteroids plus antibiotics with placebo plus antibiotics Absolute results not reported	P <0.005	Effect size not calculated	Intranasal corticosteroids plus oral antibiotics
RCT	59 children aged 3 to 11 years in secondary care and selected (air force base) settings In review	Effusions 8 weeks with intranasal corticosteroids plus antibiotics with placebo plus antibiotics Absolute results not reported	P <0.005	Effect size not calculated	Intranasal corticosteroids plus oral antibiotics
RCT	59 children aged 3 to 11 years in secondary care and selected (air force base) settings In review	Effusions 12 weeks with intranasal corticosteroids plus antibiotics with placebo plus antibiotics Absolute results not reported	P <0.001	Effect size not calculated	Intranasal corticosteroids plus oral antibiotics