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

Table 4

Direct health care costs (in Canadian dollars) according to subgroups of at-risk patients.

	Year 1			Years 1–5
Patient subpopulation; (determined at index date)	Alzheimer cohort; n = 37,138; Mean (SD)	Comparison cohort; n = 37,138	𝑃 value	Alzheimer cohort; n = 37,138	Comparison cohort; n = 37,138	𝑃 value
History of cerebrovascular accident
Yes	10,616 (13,140)	8,242 (12,301)	<.001	44,726 (68,115)	28,521 (40,417)	<.001
No	8,207 (11,545)	5,249 (9,532)	<.001	37,757 (61,732)	18,650 (30,852)	<.001
Anxiolytic use
Yes	9,645 (12,542)	6,759 (10,555)	<.001	41,463 (64,007)	23,932 (33,989)	<.001
No	7,516 (10,973)	4,460 (8,937)	<.001	36,055 (60,856)	15,849 (29,053)	<.001
Aspirin use
Yes	9,134 (11,978)	6,605 (10,467)	<.001	38,776 (60,824)	22,564 (32,235)	<.001
No	7,645 (11,325)	4,448 (8,929)	<.001	37,667 (63,405)	16,422 (30,406)	<.001
Antidepressant use
Yes	9,530 (12,214)	7,575 (11,142)	<.001	40,833 (62,711)	25,416 (37,278)	<.001
No	8,021 (11,482)	5,143 (9,483)	<.001	37,437 (62,006)	18,393 (30,605)	<.001
Nonsteroidal anti-inflammatory drug use
Yes	8,688 (11,639)	6,205 (10,322)	<.001	41,509 (63,402)	22,247 (30,768)	<.001
No	8,296 (11,672)	5,131 (9,470)	<.001	37,553 (61,919)	18,136 (31,449)	<.001
Lipid-lowering drug use
Yes	8,786 (11,249)	6,607 (10,125)	<.001	34,773 (53,355)	21,352 (28,326)	<.001
No	8,786 (11,889)	4,682 (9,345)	<.001	40,121 (66,987)	17,763 (32,830)	<.001
Antihypertensives drug use
Yes	8,481 (11,736)	6,374 (10,317)	<.001	38,309 (61,979)	21,918 (31,823)	<.001
No	6,916 (10,701)	2,745 (7,110)	<.001	36,890 (64,541)	11,547 (28,748)	<.001
Hypoglycemic agent use
Yes	10,562 (13,088)	8,131 (11,646)	<.001	42,327 (63,140)	27,313 (35,781)	<.001
No	7,912 (11,303)	4,873 (9,189)	<.001	37,359 (61,950)	17,559 (30,246)	<.001