. Author manuscript; available in PMC: 2010 Sep 16.

Published in final edited form as: J Alzheimers Dis. 2010 Jan 1;21(3):871–885. doi: 10.3233/JAD-2010-091693

Table 3.

Results of logistic regressions

	Likelihood Ratio	Adequacy Index	R²	C Index	Variables	Coeff	SE	p
Model 1	1.69	- - -	0	0.585	Age	0.036	0.051	0.644
					Education	−0.088	0.093	0.347
					Gender	−0.142	0.546	0.795
Model 2	6.33	0.252	0.063	0.615	Family Hx	0.143	0.524	0.785
					ApoE	1.207	0.533	0.014
Model 3	11.53	0.46	0.155	0.713	Cortical fMRI	−0.67	0.293	0.022
					Hipp. fMRI	−0.642	0.302	0.034
Model 4	6.76	0.27	0.098	0.687	Hipp. Volume	−1.16	0.48	0.016
Model 5	21.77	0.869	0.285	0.787	Cortical fMRI	−0.874	0.309	0.013
					Hipp. fMRI	−0.699	0.323	0.031
					ApoE	1.846	0.612	0.003
Model 6	10.8	0.431	0.132	0.702	Hipp. Volume	−0.991	0.49	0.043
					ApoE	1.056	0.528	0.045
Model 7	25.06	1	0.293	0.789	Cortical fMRI	−0.929	0.336	0.007
					Hipp. fMRI	−0.644	0.348	0.064
					Hipp. Volume	−0.945	0.545	0.083
					ApoE	1.558	0.64	0.015

Note: Adequacy index reflects the total explanatory power of a subset of predictors relative to a model containing the total set of predictors (Model 7) using the ratio of the likelihood ratio of the model of interest to the likelihood ratio of the model containing the total set of predictors.