| Study | Reason for exclusion |
|---|---|
| Berlowitz 1997 | No separate analysis on included patients with dementia |
| Callahan 2000 | Compared dementia with other illness groups |
| Ciocon 1988 | No separate analysis on included patients with dementia |
| Feinberg 1996 | No separate analysis on included patients with dementia |
| Fox 1995 | No separate analysis on included patients with dementia |
| Henderson 1992 | No separate analysis on included patients with dementia |
| Kaw 1994 | No separate analysis on included patients with dementia |
| Langmore 2002 | No separate analysis on included patients with dementia |
| Loser 1998 | No separate analysis on included patients with dementia |
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