Table 4.

Comparison of prevalence of dementia according to gender between pooled data of seven Latin American studies (Chilean data not included) and pooled data from European studies reported by Lobo et al. (2000)

	LATIN AMERICAN STUDIES						EUROPEAN STUDIES
	WOMEN			MEN			WOMEN	MEN
AGE	DEM. N	PARTIC. N	PREVALENCE (%) (95% CI)	DEM. N	PARTIC. N	PREVALENCE (%) (95% CI)	PREVALENCE (%) (95% CI)	PREVALENCE (%) (95% CI)
65–69	149	5620	2.65 (2.25–3.10)	79	3479	2.27 (1.80–2.81)	1.0 (0.7–1.4)	1.6 (1.2–2.0)
70–74	196	4781	4.10 (3.55–4.69)	65	2317	2.81 (2.17–3.57)	3.1 (2.5–3.6)	2.9 (2.3–3.5)
75–79	293	3802	7.71 (6.89–8.59)	112	1888	5.93 (4.90–7.09)	6.0 (5.3–6.7)	5.6 (4.8–6.4)
80–84*	291	2326	12.51 (11.17–13.94)	162	1489	10.88 (9.34–2.55)	12.6 (11.5–13.8)	11.0 (9.7–12.3)
85–89	281	1244	22.59 (20.30–24.97)	182	960	18.96 (16.49–21.55)	20.2 (18.4–21.9)	12.8 (10.9–14.7)
90+	189	500	37.80 (33.56–42.28)	105	390	26.92 (22.54–31.67)	30.8 (28.1–33.4)	22.1 (18.1–26.1)

Legend: Dem. = dementia; Partic. = participants; CI = confidence interval.

^*For one Brazilian study (Herrera et al., 2002), only data for subjects up to 84 years old were included

^†prevalence in the 90 years or over age group.