Interactions between subjective memory complaint and objective cognitive deficit on memory performances

BMC Geriatrics

Table 2 Comparisons of neuropsychological measures between the NC and the MCI group

Measure	NC				MCI				F (df) 1: Main effect of cognitive status 2: Main effect of SMCs 3: Interaction	η ²
	(A) No SMCs		(B) SMCs		(C) No SMCs		(D) SMCs		1/2/3
	M	SD	M	SD	M	SD	M	SD	1/2/3
MMSE	27.91	1.92	26.62	2.56	26.00	2.65	25.24	2.32	10.33**/ns/ns	.05/.00/.01
Verbal memory
Short-term delayed free recall	6.05	1.93	5.43	2.09	2.94	2.38	3.86	2.31	24.81***/ns/ns	.11/.00/.01
Short-term delayed cued recall	6.88	1.67	6.32	1.91	4.35	2.03	5.38	1.77	18.18**/ns/4.45	.08/.00/.02
Long-term delayed free recall	6.49	1.96	5.78	2.12	3.29	2.62	4.38	2.33	21.52***/ns/3.85^†	.09/.00/.02
Long-term delayed cued recall	6.96	1.74	6.40	1.70	4.29	2.28	5.24	2.05	20.75***/ns/3.68^†	.09/.00/.02
Visuospatial Memory
SRFT copy	15.13	0.89	14.93	1.43	14.97	0.87	14.95	1.05	ns/ns/ns	.00/.00/.00
SRFT immediate	12.84	2.44	11.80	3.78	9.85	3.84	11.21	3.13	6.17/ns/4.20	.03/.00/.02
SRFT delayed recall	12.65	2.57	11.19	3.81	8.99	4.24	10.76	4.31	8.02/ns/6.95	.04/.00/.03
SRFT recognition	17.41	1.77	17.03	2.26	15.53	1.55	15.90	2.53	10.19**/ns/ns	.05/.00/.00”
Attention
DST forward span	5.76	1.14	5.62	1.16	5.18	0.95	5.00	0.89	5.49*/ns/ns	.03/.00/.00
DST backward span	4.15	1.07	3.78	1.19	3.47	1.07	3.24	0.77	5.00*/ns/ns	.02/.00/.00
VST forward span	5.49	0.91	5.25	1.06	5.00	0.79	5.00	0.77	4.24*/ns/ns	.02/.00/.01
VST backward span	4.88	1.17	4.32	0.97	4.29	0.92	4.00	1.18	5.02*/ns/ns	.02/.01/.00
Fluency
Categorical fluency	29.83	5.60	27.51	5.07	25.71	4.97	23.62	4.99	11.35**/ns/ns	.05/.02/.00
Language
Boston Naming Test	12.13	1.93	11.02	2.18	10.59	2.29	10.38	2.67	5.91*/ns/ns	.03/.01/.01

Note. Analysis of covariance was done by using age, education, gender, and geriatric depression scale as covariates
M mean, SD standard deviation, NC normal control, MCI mild cognitive impairment, SMCs subjective memory complaints, SRFT simple rey figure test, DST digit span test, VST visual span test
^†p < .06; *p < .05; **p < .01; ***p < .001; ns = non-significant

ISSN: 1471-2318