Study	Reason for exclusion
Abd El‐Moneim 2005	Short‐term cross over study
Abubakar 2005	Randomised short‐term cross over study
Amitay 1993	Not assigned respiratory support mode by randomisation
Bernstein 1993	Not assigned respiratory support mode by randomisation
Bitondo 2012	Adult crossover study of PSV controlled automatically or by clinician
Chan 1993b	Not assigned respiratory support mode by randomisation
Cheema 2001	Short‐term comparison of volume guarantee synchronised ventilation to PTV or SIMV
Clavieras 2013	Adult study comparing methods of pressure support
Cleary 1995	Acute effects of synchronised ventilation
Dani 2006	Short‐term randomised comparison of PSV with VG to HFOV
de la Oliva 2012	Non‐randomised cross‐over study in the paediatric population
De Luca 2009	Cross over trial comparing ACV in time‐cycled and flow‐cycled modality
deBoer 1993	Not assigned respiratory support mode by randomisation
Dimitriou 1998	Comparison of triggering devices
Duman 2012	Comparison of volume targeting vs pressure limited ventilation in one mode of triggered ventilation
Durand 2001	Randomised pilot study comparing HFOV to SIMV
Estay 2009	Assess the effects of flow sensor dead space during SIMV
Firme 2005	Randomised short‐term cross‐over study
Friedlich 1999	Nasopharyngeal SIMV versus CPAP
Greenough 1986	Not assigned respiratory support mode by randomisation
Greenough 1987a	Not assigned respiratory support mode by randomisation
Greenough 1987b	Not assigned respiratory support mode by randomisation
Greenough 1988a	Not assigned respiratory support mode by randomisation
Greenough 1988b	Not assigned respiratory support mode by randomisation
Greenough 1991	Not assigned respiratory support mode by randomisation
Gupta 2008	Quasi‐experimental cross‐over study
Guthrie 2005	Randomised short‐term comparison of SIMV and mandatory minute volume
Guven 2013	Comparison of volume guarantee versus pressure‐limited ventilation in one mode of triggered ventilation
Herrera 2002	Acute effects of volume‐guaranteed SIMV
Hird 1990a	Not assigned respiratory support mode by randomisation
Hird 1990b	Not assigned respiratory support mode by randomisation
Hird 1991a	Not assigned respiratory support mode by randomisation
Hird 1991b	Not assigned respiratory support mode by randomisation
Hird 1991c	Not assigned respiratory support mode by randomisation
Hird 1991d	Not assigned respiratory support mode by randomisation
Hummler 1996	Acute effects of synchronised ventilation
Hummler 1997	Acute effects of mechanical ventilation
Hummler 2006	Randomised short‐term cross‐over study
Jaber 2005	Randomised short‐term cross‐over comparison of PSV and volume support ventilation
Jarreau 1996	Acute outcome of synchronised ventilation
John 1994	Comparison of triggering devices
Kapasi 2001	Short‐term randomised comparison of ventilation modes
Keszler 2004	Short‐term randomised comparison of ventilation modes with ACV with or without volume guarantee
Laubscher 1997	Comparison of triggering devices
Lista 2006	Acute effects of different levels of volume targeting during synchronised intermittent positive pressure ventilation within the context of a randomised trial
Luyt 2001	Acute effects of PTV and conventional ventilation compared within the context of a randomised trial
McCallion 2007	Observational study studying the effects of spontaneous breathing, triggered and untriggered inflations
Migliori 2003	Non randomised comparison of pressure support synchronised ventilation and SIMV
Mitchell 1989	Not assigned respiratory support mode by randomisation
Mizuno 1994	Not assigned respiratory support mode by randomisation
Moretti 1999	Nasal SIPPV to nasal CPAP
Mrozek 2000	Randomised comparison (short‐term) of volume‐targeted synchronised ventilation and CMV
Nacoti 2012	Paediatric study comparing PSV to PSV with sighs. Non‐randomised.
Nafday 2005	Randomised comparison (short‐term) of pressure support with volume guarantee
Nakae 1998	Comparison of triggering devices
Nikischin 1996	Comparison of triggering devices
Nishimura 1995	Comparison of triggering devices
Olsen 2002	Cross‐over trial comparing pressure support with volume guarantee synchronised ventilation to SIMV
Osorio 2005	Cross‐over short‐term comparison of SIMV with or without pressure support
Patel 2009	Cross‐over trial comparing SIMV and SIMV with pressure support
Polimeni 2006	Short‐term cross‐over study
Scopesi 2007	Short‐term cross‐over study
Servant 1992	Not assigned respiratory support mode by randomisation
Smith 1997	Acute outcome of synchronised ventilation
Takeuchi 1994	Not assigned respiratory support mode by randomisation
Thiagarajan 2004	Comparison of triggering devices
Upton 1990	Not assigned respiratory support mode by randomisation
Vishveshwara 1991	Not assigned respiratory support mode by randomisation
Wheeler 2012	Randomised cross‐over trial to study the effects of differing back up rates within one mode of triggered ventilation