Table 1.

List of included studies

Study	Location	Period	Suicide ascertainment	Type of patient	Discharges	Suicides in the first week	Suicides in the first month
Castelein et al (2015)31	Psychiatric hospitals in Groningen, the Netherlands	2000–2011	Regional psychiatric case register	Recent onset psychosis	424	1	–
De Leo and Heller (2007)32	Gold Coast Hospital, Queensland, Australia	2002–2005	Not specified	Previous suicide attempters	60	0	0
Deisenhammer et al (2016)33	Three psychiatric hospitals, Tyrol, Austria	2004–2011	Not specified	Unselected adults	65 652	25	51
Erlangsen et al (2006)34	All psychiatric hospitals, Denmark	1990–2001	Coronial records	Adults aged>60 years	72 701	77	–
Geddes and Juszczak (1997)5	All psychiatric hospitals, Scotland, UK	1968–1993	Coronial records	Unselected adults	338 013	–	367
Goldacre et al (1993)4	Hospitals within the Oxford Regional Health Authority, UK	1979–1986	Coronial records	Unselected adults	26 864	–	44
Hayashi et al (2012)35	Tokyo Metropolitan Matsuzawa Hospital, Japan	2006–2009	Not specified	Admitted suicidal patients	3450	–	0
Healy et al (2006)36	Unspecified hospitals, North Wales, UK	1994–2003	Coronial records	Psychotic patients	133	–	2
Ho (2003)3	All psychiatric wards and hospitals in Hong Kong, China	1997–2000	Coronial records	Unselected adults	21 921	–	124
Isometsa et al (2014)37	All psychiatric wards and hospitals, Finland	1987–2004	Coronial records	Adults with bipolar disorder	52 747	53	158
Johansson et al (1996)38	All psychiatric inpatients in southern Stockholm, Sweden	1984–1985	Coronial records	Unselected adults	3862	4	12
Kessler et al (2015)39	US Army psychiatric hospitals and wards, USA	2004–2009	Coronial records	US army psychiatric patients	53 769	5	17
Lee and Lin (2009)40	All psychiatric wards and hospitals in Taiwan	2001–2005	Coronial records	Patients with schizophrenia	435	22	39
Links et al (2012)41	St. Michael’s Hospital, Toronto, Canada	2007–2009	Not specified	Patients with previous suicidal behaviour or ideation	120	–	3
Luxton et al (2013)42	US Military treatment facilities, USA	2001–2011	Coronial records	US service members	68 947	–	35
Madsen and Nordentoft (2013)43	All psychiatric wards and hospitals in Denmark	1998–2006	Coronial records	Unselected adults	287 866	175	374
Naik et al (1997)44	Saxondale Hospital, Nottinghamshire, England, UK	1974–1992	Local registers and NHS central register	Unselected adults	86	–	0
Nyman and Jonsson (1986)45	Unspecified psychiatric hospital, Sweden	1964–1968	Coronial records	Patients with schizophrenia	110	–	0
Olfson et al (2016) 46	Psychiatric patients from 45 American states	2001–2008	Coronial records	Unselected adults	770 643	49	151
Park et al (2013)47	Asan Medical Centre, Seoul, South Korea	1989–2006	Coronial records	Unselected adults	8403	10	26
Pedersen et al (2014)48	All psychiatric hospitals and wards in Denmark	2005–2010	Coronial records	Patients with schizophrenia	7107	6	–
Pirkola et al (2007)49	All psychiatric hospitals and wards in Finland	1985–2001	Coronial records	Unselected adults	355 000	1164	1698
Pokorny (1983)50	Houston Veterans Administration Medical Centre, Texas, USA	Not specified	Coronial records	Veterans administration patients	4800	10	16
Qurashi et al (2006)51	Unspecified hospital, Manchester, England, UK	Not specified	Not specified	Unselected adults	69	1	–
Riblet et al (2017) 52	American Veterans Health Inpatient Mental Health Units	2002–2015	Coronial records	Unselected American service-people	1 126 179	141	–
Ruengorn et al (2011)53	Suanprung Psychiatric Hospital, Chiang Mai, Thailand	2007–2010	Hospital records	Mood disorder patients admitted for suicide attempt	235	1	1
Sani et al (2011)54	Belvedere Montello Hospital, Rome, Italy	1964–1998	Coronial records	Unselected adults	4441	2	–
Seemuller et al (2014)55	Twelve centres across Germany	Not specified	Study follow-up	Patients with major depression	1014	1	1
Tejedor et al (1999)56	Psychiatric Department of Santa Cruz y San Pablo Hospital, Barcelona, Spain	1983–1997	Study follow-up	Suicide attempters	150	0	1
Tsai et al (2002)57	Taipei City Psychiatric Centre, Taiwan	1985–1997	Coronial records	Patients with mood disorders	2133	0	24
Tseng et al (2006)58	Unspecified psychosomatic ward, Taiwan	2000–2002	Study follow-up	Patients with major depression	67	0	2
Valenstein et al (2009)59	All US veteran psychiatric inpatient facilities	1999–2004	Coronial data	American veterans with mood disorders	184 093	50	127
Winkler et al (2015)60	All psychiatric hospitals and psychiatric wards, Czech Republic	2006–2012	Coronial records	Unselected adults	137 290	131	258
Yim et al (2004)61	Pamela Youde Nethersole Eastern Hospital, Hong Kong	1996–1999	Coronial records	Unselected adults	6292	–	20

NHS, National Health Service.