Table 1.

General patient characteristics.

Factors	N=181 (%)
Age	80.11±8.28
Sex
Male	57 (31.50)
Female	124 (68.50)
Schooling (years)	7.62±5.34
Total comorbidity score (Charlson index)	2.56±1.57
Number of drugs	5.20±3.04
Executive function (DEX) total score	17.54±18.38
Dementia severity (MMSE) total score	16.80±6.70
ADL (Barthel)	73.92±29.51
IADL (Lawton)	5.0±5.33
Caregiver burden (SCB)	21.91±15.97
NPI Depression item (yes)	111 (61.33)
Drug-drug interactions
Yes	107 (59.10)
No	74 (40.90)
Severity of Interactions
Mild	3 (2.80)
Moderate	40 (37.38)
Severe/contraindicated	64 (59.81)

Mini-Mental State Examination (MMSE); Dysexecutive Questionnaire (DEX); Barthel Activities of Daily Living scale (ADL); Lawton Instrumental Activities Daily Living scale (IADL); 12-item Neuropsychiatric Inventory (NPI-D); Screen for Caregiver Burden (SCB).