“…A large variation in prescription rates has been reported (Rochon et al, 2007) and rates rise when dementia becomes more severe (Macdonald et al, 2002;Lindesay et al, 2003). Comparative rates of past use in NHS long stay settings are less well described but were similar (Connelly, 1992;Connelly, 1993;Loane et al, 1997).…”