Estimates of probable dementia prevalence from population-based surveys compared with dementia prevalence estimates based on meta-analyses

Anstey, Kaarin J; Burns, Richard A; Birrell, Carole L; Steel, David; Kiely, Kim M; Luszcz, Mary A

doi:10.1186/1471-2377-10-62

Table 2 Mean (standard error) of MMSE scores for the DYNOPTA baseline population and NSMH (aged 65+) as a whole, by gender and by age cohort

From: Estimates of probable dementia prevalence from population-based surveys compared with dementia prevalence estimates based on meta-analyses

		DYNOPTA				97NSMH				07NSMH
Age Groups		N	Mean	Std. Err	95% Conf. Interval	N	Mean	Std. Err	95% Conf. Interval	N	Mean	Std. Err	95% Conf. Interval
65-69	Total	441	28.73	0.13	28.48 - 28.98	576	27.71***	0.14	27.09 - 28.34	636	28.70	0.08	28.49 - 28.90
	Males	162	28.69	0.17	28.35 - 29.04	283	27.28**	0.18	26.37 - 28.20	333	28.62	0.10	28.28 - 28.96
	Females	279	28.77	0.20	28.38 - 29.16	293	28.16	0.17	27.68 - 28.63	303	28.76	0.11	28.50 - 29.03
70-74	Total	931	27.58	0.12	27.34 - 27.82	499	27.20	0.16	26.49 - 27.92	468	28.39*	0.10	28.14 - 28.64
	Males	483	27.43	0.12	27.19 - 27.67	200	26.80*	0.28	25.93 - 27.66	241	28.30	0.14	28.01 - 28.60
	Females	448	27.71	0.18	27.35 - 28.07	299	27.49	0.19	26.75 - 28.22	227	28.47	0.14	28.14 - 28.80
75+	Total	2536	26.27	0.09	26.08 - 26.45	713	26.40	0.17	24.94 - 27.87	801	27.90**	0.09	27.69 - 28.11
	Males	1309	26.35	0.11	26.14 - 26.56	245	26.36	0.33	24.41 - 28.30	330	27.75	0.14	27.36 - 28.15
	Females	1227	26.22	0.13	25.97 - 26.47	468	26.43	0.19	25.14 - 27.71	471	28.02	0.11	27.78 - 28.26
75-79	Total	1099	26.98	0.11	26.76 - 27.21					444	28.07**	0.12	27.97 - 28.16
	Males	589	26.95	0.14	26.68 - 27.22					198	27.82*	0.19	27.67 - 27.97
	Females	510	27.01	0.16	26.69 - 27.33					246	28.26	0.15	28.15 - 28.38
80-84	Total	797	26.06	0.17	25.73 - 26.39					357	27.77**	0.13	27.67 - 27.87
	Males	412	26.04	0.20	25.64 - 26.44					132	27.86	0.19	27.71 - 28.02
	Females	385	26.07	0.24	25.61 - 26.54					225	27.72	0.17	27.58 - 27.85
85-89	Total	458	25.35	0.21	24.94 - 25.76
	Males	246	25.19	0.27	24.66 - 25.73
	Females	212	24.43	0.28	24.88 - 25.98
90-94	Total	140	24.26	0.41	23.46 - 25.06
	Males	52	23.35	0.84	21.69 - 25.00
	Females	88	24.53	0.46	23.63 - 25.42
90+	Total	182	23.48	0.39	22.71 - 24.24
	Males	62	23.15	0.75	21.67 - 24.63
	Females	120	23.56	0.45	22.68 - 24.43
95+	Total	42	21.20	0.87	19.50 - 22.91
	Males	10	22.03	1.84	18.36 - 25.69
	Females	32	21.10	0.94	19.25 - 22.95

* p < .05; ** p < .001 t-test analyses between gender were computed within each study for each Age Group category. t-test analyses for between DYNOPTA and both NSMH surveys were computed for total within each Age Group category.

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ISSN: 1471-2377

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