. Author manuscript; available in PMC: 2017 May 1.

Published in final edited form as: Med Image Anal. 2015 Nov 10;38:205–214. doi: 10.1016/j.media.2015.10.008

Table 5.

Comparison of regression performances of the competing methods in terms of Correlation Coefficient (CC) and Root Mean Square Error (RMSE) by fusing MRI and PET (MP).

Method	AD vs. NC					MCI vs. NC					MCI-C vs. MCI-NC
	ADAS-Cog		MMSE		p-value	ADAS-Cog		MMSE		p-value	ADAS-Cog		MMSE		p-value
	CC	RMSE	CC	RMSE	p-value	CC	RMSE	CC	RMSE	p-value	CC	RMSE	CC	RMSE	p-value
MP-N	0.626	4.80	0.587	1.99	<0.001	0.365	4.29	0.335	1.69	<0.001	0.431	4.09	0.455	1.47	<0.001
MP-S	0.634	4.83	0.585	1.92	<0.001	0.359	4.25	0.371	1.67	<0.001	0.449	4.00	0.496	1.41	<0.001
HOGM	0.633	4.64	0.602	1.83	<0.001	0.364	4.20	0.365	1.65	<0.001	0.450	3.93	0.531	1.40	<0.001
M3T	0.653	4.61	0.639	1.91	<0.001	0.450	4.23	0.433	1.64	<0.001	0.522	3.81	0.567	1.36	<0.001
Proposed	0.680	4.40	0.682	1.78	–	0.520	4.02	0.508	1.61	–	0.591	3.78	0.622	1.35	–