Table 3.

Prevalence of use and consumption of Alzheimer’s disease drugs by age group and macro-areas (2018–2020 period)

Age group	DDD/1000 inhab per day			Prevalence of use, %			AD prevalence, %	Prevalence of use**/AD prevalence
	Year			Year
	2018	2019	2020	2018	2019	2020
65–69	1.50	1.52	1.72	0.21	0.23	0.25	0.6*	0.38 (38%)
70–74	4.23	4.20	4.65	0.62	0.63	0.67	0.9	0.70 (70%)
75–79	10.32	10.17	11.31	1.49	1.50	1.60	3.5	0.43 (43%)
80–84	18.81	18.77	18.18	2.72	2.75	2.58	8	0.34 (34%)
85–89	21.07	21.39	18.30	3.04	3.14	2.62	15.8	0.20 (20%)
90 +	12.02	12.03	8.41	1.77	1.85	1.27	20.9	0.08 (8%)

^*Prevalence of AD of 0.6% in the study by Tognoni et al. (2005) refers to the age category 64–69

^**Year 2019