Table 3.

ROC analyses for predictive models with and without subjective memory impairment and related worries

	Observations	AUC	SE	95% confidence interval		Chi2	P value
Total
Age, sex	5016	0.678	0.010	0.660	0.697	0.18	.669
Age, sex, SMI	5016	0.678	0.010	0.659	0.697
Female patients
Age	3059	0.703	0.012	0.679	0.727	0.22	.638
Age, SMI	3059	0.705	0.012	0.681	0.728
Male patients
Age	2047	0.637	0.016	0.606	0.668	0.06	.804
Age, SMI	2047	0.637	0.016	0.606	0.668
Total
Age, sex	2480	0.678	0.013	0.652	0.705	1.60	.207
Age, sex, worries	2480	0.684	0.013	0.658	0.710
Female patients
Age	1491	0.697	0.017	0.664	0.730	0.22	.638
Age, worries	1491	0.700	0.016	0.668	0.732
Male patients
Age	989	0.648	0.022	0.604	0.709	3.45	.063
Age, worries	989	0.666	0.022	0.623	0.709

Abbreviations: ROC, receiver operator curve; AUC, area under the curve; SE, standard error; SMI, subjective memory impairment.