Table 3.

Results of the multiple regression analysis with rate-correct score (RCS) as criterion and group, HBdiff for each ROI (frontal left and right, parietal left and right), and MMSE as predictors for each time point.

		Regression Coefficients				F Statistic
Time Point	Effect	B	ß	T	p	F	df	p	adjR 2
Pre	Group: EG	0.00	0.00	−0.02	0.986	2.93	6,30	0.023	0.24
	MMSE	0.10	0.38	2.53	0.017
	Frontal (left)	0.04	0.50	1.51	0.141
	Frontal (right)	−0.05	−0.74	−1.88	0.069
	Parietal (left)	0.04	0.60	1.28	0.211
	Parietal (right)	0.00	−0.08	−0.18	0.857
Post 15 min	Group: EG	0.18	0.26	1.62	0.116	2.10	6,29	0.083	0.16
	MMSE	0.10	0.31	1.70	0.100
	Frontal (left)	0.08	0.65	2.64	0.013
	Frontal (right)	−0.08	−0.62	−2.05	0.049
	Parietal (left)	0.00	−0.01	−0.01	0.994
	Parietal (right)	0.04	0.41	0.59	0.563
Post 30 min	Group: EG	0.06	0.10	0.62	0.540	1.27	6,32	0.299	0.04
	MMSE	0.08	0.30	1.70	0.098
	Frontal (left)	0.01	0.09	0.25	0.803
	Frontal (right)	−0.05	−0.67	−1.72	0.095
	Parietal (left)	0.03	0.35	0.76	0.453
	Parietal (right)	0.02	0.28	0.58	0.565
Post 45 min	Group: EG	0.04	0.07	0.42	0.679	1.10	6,31	0.383	0.02
	MMSE	0.06	0.20	1.18	0.246
	Frontal (left)	0.03	0.47	1.38	0.176
	Frontal (right)	−0.04	−0.47	−1.42	0.164
	Parietal (left)	0.01	0.12	0.28	0.783
	Parietal (right)	0.01	0.11	0.24	0.811

Note. B = non-standardized coefficients; T = t-test value; EG = experimental group; MMSE = Mini Mental State Examination. For the categorical variable group, the control group (CG) serves as reference category.