Study	Reason for exclusion
Aizenberg 1995	Allocation: not randomised.
Aizenberg 1996	Allocation: not randomised.
Atmaca 2002	Allocation: not randomised.
Aviv 2004	Allocation: not randomised.
Bastecky 1980	Allocation: not randomised.
Benatov 1999	Allocation: not randomised.
Beuzen 2007	Allocation: randomised. Participants: people with psychotic episode, not with sexual dysfunction. Interventions: switched from risperidone to aripiprazole or standard of care.
Blin 1996	Allocation: not randomised.
Bruggeman 2002	Allocation: randomised. Participants: people with psychotic episode, not with sexual dysfunction. Interventions: risperidone versus quetiapine.
Byerly 2004	Allocation: not randomised.
Claghorn 1987	Allocation: not randomised.
Correa 1987	Allocation: not randomised.
Costa 2007	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: conventional antipsychotics versus olanzapine.
Covington 2000	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: clozapine versus haloperidol.
De Boer 2011	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: aripiprazole versus risperidone.
Degen 1982	Allocation: not randomised.
Dufresene 1988	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: bupropion and thiothixene versus placebo and thiothixene.
Hanssens 2008	Allocation: randomised. Participants: people with psychotic episode, not with sexual dysfunction. Interventions: aripiprazole versus standard of care (olanzapine, quetiapine or risperidone).
Hoyberg 1993	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: risperidone versus perphenazine.
Huang 2008	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: olanzapine versus risperidone versus chlorpromazine.
Kaneda 2001	Allocation: not randomised.
Keller 2002	Allocation: not randomised.
Kelly 2006	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: risperidone versus quetiapine versus fluphenazine.
Kim 2002	Allocation: not randomised.
Kleinberg 1999	Allocation: not randomised, review.
Knegtering 2000	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: quetiapine versus risperidone.
Knegtering 2002a	Allocation: randomised. Participants: patients with a psychotic episode, no sexual dysfunction. Interventions: quetiapine versus risperidone.
Knegtering 2006	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: olanzapine versus risperidone.
Kockott 1996	Allocation: not randomised.
Kubacki 1984	Allocation: not randomised.
Mahmoud 2011	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: first generation antipsychotics versus second generation antipsychotics.
Malik 2011	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: haloperidol versus amisulpride versus olanzapine versus quetiapine versus ziprasidone.
Matsuoka 1986	Allocation: not randomised.
McCreadie 1988	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: remoxipride versus thioridazine.
Mir 2006	Allocation: not randomised.
Mullen 2001	Allocation: not randomised.
Rosenberg 2001	Allocation: not randomised.
Sechter 2002	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: amisulpride versus risperidone.
Segraves 1999	Allocation: not randomised.
Tsai 2000	Allocation: not randomised.
Valevski 1998	Allocation: not randomised.
Wesby 1996	Allocation: not randomised.
Wirshing 1999	Allocation: not randomised.
Zhang 2002	Allocation: not randomised.
周云 2009	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: ziprasidone versus risperidone.
张东卫 2008	Allocation: randomised according hospital admission number. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: clozapine versus risperidone.
肖攀攀 2009	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: quetiapine versus risperidone.
谢新年 2008	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: aripiprazole versus risperidone.
靳西龙 2010	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: aripiprazole versus risperidone.
黄粱镔 2010	Allocation: randomised. Participants: people with schizophrenia, not with sexual dysfunction. Interventions: aripiprazole versus risperidone