Table 2.

Sensitivity, specificity, positive and negative predictive values (PPV, NPV) and likelihood ratios (LR) for the M-ACE and MMSE at different cut-offs for mild-to-moderate dementia

Cut-off	M-ACE				MMSE
	sensitivity	specificity	PPV (NPV)	LR+	sensitivity	specificity	PPV (NPV)	LR+
29	1.00	0.17	0.72 (1.00)	1.20	0.95	0.46	0.79 (0.80)	1.76
28	0.98	0.40	0.77 (0.91)	1.63	0.82	0.79	0.89 (0.67)	3.98
27	0.93	0.63	0.84 (0.80)	2.49	0.72	0.96	0.98 (0.62)	18.7
26	0.89	0.83	0.92 (0.78)	5.34	0.63	1.00	1.00 (0.56)	100
25	0.85	0.87	0.93 (0.74)	6.66	0.52	1.00	1.00 (0.50)	100
24	0.79	0.91	0.95 (0.67)	8.76	0.44	1.00	1.00 (0.46)	100
23	0.73	0.97	0.98 (0.63)	28.3	0.37	1.00	1.00 (0.43)	100
22	0.65	0.99	0.99 (0.57)	50.9	0.27	1.00	1.00 (0.40)	100
21	0.61	1.00	1.00 (0.55)	100	0.22	1.00	1.00 (0.38)	100