Study	Reason for exclusion
Ather 1986	No validated diagnosis of delirium
Auchus 1997	No validated diagnosis of delirium
Boettger 2011a	Not a randomised controlled trial
Boettger 2011b	Not a randomised controlled trial
Boettger 2015	Not a randomised controlled trial
Breitbart 2002	Not a randomised controlled trial
Clayton‐Chubb 2016	Participants were not terminally ill
Djokic 2008	Participants were not terminally ill
Ferraz Gonçalves 2016a	Not a randomised controlled trial ‐ place randomised only
Grover 2011	Participants were not terminally ill
Han 2004	Participants were not terminally ill
Han 2010	Not a randomised controlled trial
Hu 2006	Participants were not terminally ill
Kim 2010	Participants were not terminally ill
Kim 2014	Not a randomised controlled trial
Lee 2005	Participants were not terminally ill
Lee 2007	Participants were not terminally ill
Lee 2013	Participants were not terminally ill
Mittal 2004	Not a randomised controlled trial
Miyaji 2007	Not a randomised controlled trial
Moretti 2004	Participants were not terminally ill; does not report outcomes of interest
Naber 2007	Participants were not terminally ill
Overshott 2010	Participants were not terminally ill
Parellada 2004	Participants were not terminally ill
Pelosi 2008	No validated diagnosis of delirium
Perkisas 2015	Focus on delirium prevention as opposed to treatment
Sakong 2010	Participants were not terminally ill
Sasaki 2003	Not a randomised controlled trial
Sipahimalani 1998	Participants were not terminally ill
Tahir 2009	Participants were not terminally ill
Tahir 2010	Participants were not terminally ill
Tanimukai 2016	Participants were not terminally ill
van der Vorst 2018	Conference abstract only
van Eijk 2010	Participants were not terminally ill
Yang 2012	Does not focus on drug therapy for delirium treatment. Focus is on bright light therapy
Yoon 2013	Participants were not terminally ill
Zaslavsky 2012	Participants were not terminally ill