Study	Reason for exclusion
Almond 1999	Allocation: randomised. Blindness: open-label.
Alvarez 2006	Allocation: randomised. Blindness: open-label.
Alvarez-Jimenez 2006	Allocation: pooled analysis.
Antonova 2005	Allocation: randomised, Blindness: single-blind (rater-blinded). Participants: people with schizophrenia. Interventions: olanzapine, risperidone and quetiapine versus conventional antipsychotics. Outcomes: no usable data.
Apiquian 2003	Allocation: randomised. Blindness: open-label.
Aquila 2000	Allocation: randomised. Blindness: open-label.
Ascher-Svanum 2006	Allocation: not randomised, cohort study.
Baloescu 2006	Allocation: not randomised, controlled-trial.
Basson 2001	Allocation: pooled analysis.
Beasley 2001	Allocation: pooled analysis.
Beasley 2003a	Allocation: randomised. Blindness: open-label.
Beasley 2003b	Allocation: randomised. Participants: people with schizophrenia. Interventions: inappropriate intervention.
Bera 2001	Allocation: randomised. Blindness: open-label.
Beuzen 2005	Allocation: randomised. Blindness: open-label.
Bitter 2005	Allocation: not randomised, cohort study.
Blonde 2004	Allocation: randomised. Blindness: open-label.
Boylan 2004	Allocation: randomised. Participants: people with schizophrenia. Interventions: inappropriate intervention.
Briken 2002	Allocation: randomised. Blindness: open-label.
Cao 2005	Allocation: randomised. Blindness: open-label.
Casey 2003	Allocation: pooled analysis.
Chaudhry 2006	Allocation: randomised. Blindness open-label.
Chen 2003	Allocation: randomised. Blindness: open-label.
Chen 2005	Allocation: randomised. Blindness: open-label.
Chrzanowski 2006	Allocation: randomised. Blindness: open-label.
Citrome 2004	Allocation: randomised. Participants: people with schizophrenia. Interventions: inappropriate intervention.
Ciudad 2004	Allocation: randomised. Blindness: open-label.
Conley 1999	Allocation: randomised. Blindness: open-label.
Cornblatt 2002	Allocation: randomised. Blindness: open-label.
Crespo-Facorro 2006	Allocation: randomised. Blindness: open-label.
Czekalla 2001	Allocation: randomised. Blindness: open-label.
Dai 2004a	Allocation: randomised. Blindness: open-label.
Dai 2004b	Allocation: randomised. Blindness: open-label.
Dakhale 2005	Allocation: randomised, double-blind. Participants: people with schizophrenia. Interventions: inappropriate intervention.
David 2000a	Allocation: pooled analysis.
David 2000b	Allocation: pooled analysis.
De Haan 2002	Allocation: randomised. Blindness: open-label.
Deng 2000	Allocation: randomised. Blindness: open-label.
Dossenbach 2005	Allocation: not randomised, cohort study.
Ertugrul 2006	Allocation: not randomised, controlled-trial.
Fleischhacker 2005	Allocation: randomised. Blindness: open-label.
Garcia 2006	Allocation: not randomised, case series.
Goldberg 2000	Allocation: not randomised, controlled-trial.
Harrigan 2004	Allocation: randomised. Blindness: open-label.
Harrison 2004	Allocation: randomised, double-blind. Participants: people with schizophrenia. Intervention: olanzapine versus ziprasidone. Outcomes: no usable data.
Heresco-Levy 2005	Allocation: randomisation not mentioned. Blindness: double-blind. Participants: people with schizophrenia. Interventions: inappropriate intervention.
Hrdlicka 2001	Allocation: not randomised, cohort study.
Huber 2004	Allocation: randomised. Blindness: open-label. Intervention: other aims.
Karow 2002	Allocation: pooled analysis.
Keks 2006	Allocation: randomised. Blindness: open-label.
Kelemen 2006	Allocation: not randomised, controlled-trial.
Kern 2006	Allocation: randomised. Blindness: open-label.
Kim 2004	Allocation: not randomised, controlled-trial.
Kinon 2001	Allocation: randomised. Blindness: double-blind. Participants: people with schizophrenia or schizoaffective or schiozophreniform disorder. Interventions: inappropriate intervention.
Kolff 2000	Allocation: randomised. Blindness: open-label.
Kores 2003	Allocation: pooled analysis.
Kropp 2004	Allocation: not randomised, case series.
Lee 2006	Allocation: not randomised, cohort study.
Lin 2005	Allocation: not randomised, case series.
Lipkovich 2005	Allocation: pooled analysis.
Littrell 1999	Allocation: randomised. Blindness: open-label.
Liu 2004	Allocation: randomised. Blindness: open-label.
Loza 2005	Allocation: randomised. Blindness: open-label.
Malla 2004	Allocation: not randomised, controlled-trial.
Malyarov 1999	Allocation: not randomised.
Mazurek 2003	Allocation: randomised. Blindness: open-label.
Meltzer 2002	Allocation: randomised. Blindness: open-label.
Moritz 2002	Allocation: not randomised, case series.
Mortimer 2002	Allocation: randomised. Blindness: open-label.
Musil 2006	Allocation: not randomised.
Naber 2001	Allocation: not randomised, review.
Naber 2002	Allocation: pooled analysis.
Newcomer 2006	Allocation: pooled analysis.
Oliemeulen 2000	Allocation: randomised. Blindness: open-label.
Opjordsmoen 2000	Allocation: not randomised.
Ortega-Soto 1997	Allocation: randomised. Blindness: double-blind. Participants: people with schizophrenia. Intervention: olanzapine versus risperidone. Outcomes: no usable data.
Pan 2006	Allocation: randomised. Blindness: open-label.
Perro 1999	Allocation: randomised. Blindness: open-label.
Peuskens 2004	Allocation: not randomised, controlled-trial.
Rabinowitz 2005	Allocation: randomised. Participants: people with schizophrenia. Intervention: inappropriate intervention.
Ray 2004	Allocation: not randomised, cohort study.
Reznik 2004	Allocation: randomised. Blindness: open-label.
Roerig 2004	Allocation: randomised. Blindness: open-label. Intervention: inadequate diagnosis.
Ryu 2006	Allocation: not randomised.
Sanchez 2006	Allocation: randomised. Blindness: open-label.
Sharma 2003	Allocation: not randomised, controlled-trial.
Sowell 2002	Allocation: randomised. Blindness: open-label.
Su 2005	Allocation: not randomised, controlled-trial.
Swanson 2006	Allocation: randomised. Blindness: open-label.
Tudor 2006	Allocation: not randomised, controlled-trial.
Tunis 2006	Allocation: randomised. Blindness: open-label.
Van Bruggen 2003	Allocation: randomised. Blindness: open-label.
Vaughan 2000	Allocation: randomised. Blindness: open-label. Intervention: other aims.
Wang 2003	Allocation: randomised. Blindness: open-label.
Wang 2004a	Allocation: randomised. Blindness: open-label.
Wang 2004b	Allocation: randomised. Blindness: open-label.
Wang 2005	Allocation: randomised. Blindness: open-label.
Weickert 2003	Allocation: randomised. Participants: people with schizophrenia. Interventions: inappropriate intervention.
Wolf 2002	Allocation: randomised. Blindness: open-label.
Wolf 2005	Allocation: randomised. Blindness: open-label.
Wu 2006	Allocation: randomised. Blindness: open-label.
Wyszogrodzka-Kuchars 2006	Allocation: not randomised, controlled-trial.
Yagdiran 2000	Allocation: not randomised.
Yamashita 2005	Allocation: not randomised.
Yang 2003	Allocation: randomised. Blindness: open-label.
Yu 2002	Allocation: randomised. Blindness: open-label.
Zelaschi 2006	Allocation: not randomised, cohort study.
Zhang 2004	Allocation: randomised. Blindness: open-label.
Zheng 2001	Allocation: randomised. Blindness: open-label.
Zhong 2006	Allocation: randomised. Blindness: open-label.
Zoccali 2003	Allocation: randomisation not mentioned. Participants: people with chronic schizophrenia. Interventions: inappropriate intervention.