Procedure
A trained member of the aged care team administered
the RUDAS-Thai and the MMSE-Thai 2002in a random
order at the Geriatric or Neurology clinic. Dementia was
assessed by a Geriatrician or a Neurologist, according to Diagnostic
and Statistical Manual of Mental disorder (Fourth
Edition, Text Revision) (DSM-IV-TR) criteria within 1 to 2
weeks after the RUDAS-Thai and the MMSE-Thai 2002
was performed. In addition, Clinical Dementia Rating was
used to assess the disease severity. The Barthel Activities of
Daily Living (ADL) index and the Lawton ADL score were
used to assess daily function.18-20 Further investigations
were organized if required. Trained member of the aged care
team and the geriatrician and neurologist were blinded of the
results of each other. Information about the demographic
characteristics of elderly person and his or her informant were
also collected.