Table 6 Neuropsychological tests means and standard deviations of the InveCe.Ab normative sample stratified for educational attainment and age range.

From: Conventional and neuropsychological criteria for mild cognitive impairment show similar prognostic value for dementia across 12 years in a non-clinical setting

Age range	Levels of education	70–77 years			78–88 years
Age range	Levels of education	N	Mean	SD	N	Mean	SD
Rey auditory-verbal learning test, immediate recall	Less than primary school	74	33.63	7.03	18	32.60	7.96
	Primary school	368	35.28	8.73	113	35.52	8.10
	Middle school	245	37.32	8.93	88	38.00	8.17
	High school or higher	79	40.05	8.56	34	41.67	8.04
Rey auditory-verbal learning test, delayed recall	Less than primary school	74	6.69	2.52	18	7.30	2.11
	Primary school	368	6.85	2.72	113	7.42	2.62
	Middle school	245	7.04	2.78	88	8.00	2.74
	High school or higher	79	7.46	3.33	34	7.87	2.56
Rey-Osterrieth complex figure copy	Less than primary school	74	25.00	5.94	18	28.50	3.54
	Primary school	368	27.96	4.75	113	27.34	4.35
	Middle school	245	30.07	4.57	88	29.37	3.47
	High school or higher	79	31.76	3.46	34	32.00	2.18
Rey-Osterrieth complex figure recall	Less than primary school	74	12.82	4.08	18	12.00	0.00
	Primary school	368	12.12	4.80	113	12.08	4.40
	Middle school	245	13.79	5.12	88	13.32	5.75
	High school or higher	79	15.55	5.69	34	16.22	6.13
Clock drawing test	Less than primary school	74	18.11	2.22	18	16.59	2.15
	Primary school	368	18.90	1.38	113	18.32	1.29
	Middle school	245	19.21	1.35	88	18.72	1.04
	High school or higher	79	19.37	0.92	34	18.47	1.58
Trial making test A	Less than primary school	74	69.08	24.46	18	71.71	21.36
	Primary school	368	50.16	17.74	113	52.13	16.45
	Middle school	245	39.44	15.49	88	40.65	12.41
	High school or higher	79	36.23	11.02	34	40.50	16.48
Trial making test B	Less than primary school	74	149.00	38.05	18	197.00	57.24
	Primary school	368	139.66	59.33	113	169.39	67.58
	Middle school	245	95.09	39.38	88	117.15	49.38
	High school or higher	79	76.75	26.04	34	102.06	43.18
Trial making test B-A	Less than primary school	74	88.00	36.38	18	147.00	69.09
	Primary school	368	90.80	52.22	113	117.44	62.54
	Middle school	245	56.07	33.41	88	76.50	45.17
	High school or higher	79	40.52	22.60	34	61.56	36.24
Raven’s coloured progressive matrices	Less than primary school	74	23.14	4.55	18	20.77	6.34
	Primary school	368	26.09	4.40	113	26.34	4.66
	Middle school	245	28.89	3.81	88	28.67	3.75
	High school or higher	79	30.95	3.73	34	30.50	4.27
Attentional matrices	Less than primary school	74	39.85	8.84	18	34.00	6.59
	Primary school	368	47.53	7.31	113	43.19	7.46
	Middle school	245	50.77	6.18	88	47.28	7.58
	High school or higher	79	53.17	5.72	34	47.678	6.90
Semantic verbal fluency test	Less than primary school	74	13.58	2.62	18	12.79	2.69
	Primary school	368	16.18	3.75	113	15.83	3.53
	Middle school	245	19.47	4.17	88	18.98	4.06
	High school or higher	79	23.20	4.13	34	21.24	4.81

Normative sample for 70-77 years was composed of individuals with stable normal cognition at baseline (2010) and first follow-up (2012). Normative sample for 78-88 years was composed of individuals with stable normal cognition at second (2014) and third follow-up (2018).

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Table 6 Neuropsychological tests means and standard deviations of the InveCe.Ab normative sample stratified for educational attainment and age range.

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