Study	Reason for exclusion
Babademez 2011	INTERVENTION Patients randomised to 3 types of tonsillotomy; no tonsillectomy group
Bitar 2008	INTERVENTION Adenoidectomy was performed in 85.71% of Group 1 and in 68.18% of Group 2 (> 10% difference)
Cantarella 2012	PARTICIPANTS No randomisation; groups were split to receive tonsillectomy/tonsillotomy according to presence/absence of recurrent tonsillitis
Cao 2018	INTERVENTION Patients randomised to 2 types of tonsillectomy; no tonsillotomy group
Esteller 2016	ALLOCATION Not a randomised controlled trial
Gabr 2014	PARTICIPANTS Children undergoing tonsillectomy or tonsillotomy for any indication without further specification
Hagerdorn 2005	ALLOCATION Not a randomised controlled trial
Oubaid Ahmed 2018	ALLOCATION Tonsil unit of randomisation (right tonsil tonsillectomy, left tonsil tonsillotomy)
Pfaar 2007	PARTICIPANTS 2% over the age of 16
Pruegsanusak 2010	INTERVENTION Adenoidectomy performed in 65% of tonsillectomy group and 45% of tonsillotomy group (> 10% difference) Myringotomy performed in 0% tonsillectomy group and 15% tonsillotomy group (> 10% difference)
Vlastos 2008	ALLOCATION Not a randomised controlled trial
Wireklint 2012	PARTICIPANTS Young adults, 16 to 25 years old