Study	Reason for exclusion
Caffier 2006	ALLOCATION: Randomised controlled trial PARTICIPANTS: 40 patients with compensated tinnitus or decompensated tinnitus INTERVENTIONS: A modified form of TRT was used, this was not truly TRT as defined by Jastreboff
Goebel 1999	ALLOCATION: Randomised controlled trial PARTICIPANTS: 52 patients with chronic decompensated tinnitus and unimpaired hearing INTERVENTIONS: TRT was not truly as defined by Jastreboff
Schmitt 2002	ALLOCATION: Randomised controlled trial PARTICIPANTS: 83 patients with tinnitus INTERVENTIONS: TRT was not truly as defined by Jastreboff

TRT = Tinnitus Retraining Therapy