Study	Reason for exclusion
Davis 1987	Not investigating the treatment of DCI
Francis 2002	Trial was abandoned before recruitment commenced
Hink 2001	Trial was abandoned before recruitment commenced
Koltyn 1997	Not investigating the treatment of DCI
Mitchell 2001	Review only: no new data
Moon 1997	Review only: no new data
Moon 1999	Guidelines for therapy: no new data
Moon 2009	A letter to the editor with no new data
Philp 1979	Pre‐treatment (before diving) study for the prevention and amelioration of DCI
Saino 1992	Not investigating the treatment of DCI
Shupak 1997	Comparative trial with retrospective controls
Taylor 2000	Not investigating the treatment of DCI
Taylor 2001	Not investigating the treatment of DCI
Thorsen 1995	Not investigating the treatment of DCI
Vann 2011	A review of therapy for DCI

DCI = Decompression illness 
 RCT = Randomized controlled trial