Research Article

Institutionalization-Free Survival and Health Care Costs among Quebec Community-Dwelling Elderly Patients with Dementia

Table 1

Distribution of the characteristics of the study population at index date.

Cohort with treated dementia
(37,138)
(%)
Reference cohort
(37,138)
(%)
value

Product* at index date
 Donepezil26,080 (70.2)n/a
 Rivastigmine4,417 (11.9)n/a
 Galantamine6,629 (17.9)n/a
 Memantine11 (<0.01)n/a
Age group
 65–702,141 (5.8)n/a*
 70–754,965 (13.4)n/a
 75–809,620 (25.9)n/a
 80–8510,666 (28.7)n/a
 85+9,746 (26.2)n/a
Females24,471 (65.9)n/a
History of cerebrovascular disease2,362 (6.4)1,474 (4.0)
History of drug usage
 Anxiolytics14,732 (39.7)14,670 (39.5)0.64
 ASA17,839 (48.0)15,842 (42.7)<.001
 Antidepressants8,347 (22.5)3,430 (9.2)<.001
 NSAIDs6,073 (16.4)8,184 (22.0)<.001
 Lipid-lowering agents13,343 (35.9)13,236 (35.6)0.50
 Antihypertensives 34,280 (92.3)26,840 (72.2)<.001
 Hypoglycemic agents6,287 (16.9)5,646 (15.2)<.001

Patients in the reference cohort were matched in age group and gender.