Study	Setting	N	Mean sample age (years)	Dementia (%)	Delirium ascertainment	Inpatient delirium duration (median)	Prevalence of persistent delirium
							Discharge	2w	1m	3m	6m	12m	18m
Levkoff 1992[@131654]	M, S	91	81		DSM-III	19 days	58%			37%	31%
Gaudet 1993[@131647]	M	52	85	39	DSM-IIIR	7 days	23%
O’Keeffe 1997[@131642]	M	94	82	46	DSM-III	30 days	1%
Rudberg 1997[@131655]	M, S	64	75	33	DSM-III-R	7 days	11%
Marcantonio 2000[@131637]	S	52	79	66	CAM	5 days	38%		29%		6%
Kelly 2001[@131657]	M	61	89		CAM	8 days	72%		46%	25%
McCusker 2003[@131658]	M	181	83	70	DSM-III-R	18 days	32%				32%	41%
Kiely 2004[@131645]	PAC	85	85	23	CAM	N/A			51%
McAvay 2006[@131659]	M	55	80	27	CAM	15 days	24%
Inouye 2007[@131660]	M	169	80	20	CAM	7 days	51%
Lundstrom 2007[@131661]	S	129	82	32	DSM-IV	10 days	12%
Kiely 2009[@131662]	PAC	412	84	38	CAM	N/A		67%	56%	40%	32%
McManus 2009[@131663]	Stroke	23	75		CAM				64%
Arinzon 2011[@131664]	M	92	80	90	CAM, DRS	16 days		50%
Lee 2011[@131665]	S	70	80	10	CAM				20%			13%	3%
Velilla 2012[@131666]	M	45	87		DSM-IV				18%
Witlox 2013[@131667]	S	27	84		CAM					19%
Cole 2015[@131668]	M, S	278	85	55	CAM				73%	61%
Jackson 2016[@131646]	M	125	84	36	DSM-IV					6%
Miu 2016[@131669]	PAC	89	84		CAM	N/A	79%		85%	55%
Vasunilashorn 2016[@131670]	M, S	250	79		CAM		24%
Cole 2017[@131671]	M, S	152	85	52	CAM	14 days			63%
Reznik 2022[@131672]	Stroke	590	71	13	DSM-5		48%