1 March 2017
		 |  Joanna Stephens 
 
		 
 
			   
		
		
			 
			This is a good study design, sufficiently powered, comparing medical management to balloon sinus dilatation. All patients had failed medical management and were thoroughly assessed preoperatively with Lund-Mackay score confirming abnormal CT findings, SNOT 20 index score, chronic sinusitis score...