Table 6.

Predictive accuracy of progression to dementia within 2 years given an abnormal performance using Aβ- or published norms.

Test	Norms	n Normal/abnormal	OR	Sensitivity	Specificity	PPV	NPV
AVLT Immediate	Aβ- norms	406/664	4.72 (2.9–7.8)	0.87 (0.8–0.9)	0.42 (0.4–0.5)	0.19 (0.2–0.22)	0.95 (0.9–0.97)
	Published norms	790/280	3.45 (2.4–5.0)	0.50 (0.4–0.6)	0.78 (0.7–0.8)	0.26 (0.2–0.3)	0.91 (0.9–0.93)
AVLT Delayed	Aβ- norms	570/500	4.26 (2.8–6.4)	0.76 (0.7–0.8)	0.58 (0.5–0.6)	0.22 (0.2–0.3)	0.94 (0.9–0.96)
	Published norms	735/335	6.43 (4.4–9.4)	0.69 (0.6–0.8)	0.75 (0.7–0.8)	0.30 (0.2–0.3)	0.94 (0.9–0.95)
TMT-A	Aβ- norms	306/427	1.78 (1.1–2.9)	0.70 (0.6–0.8)	0.43 (0.4–0.5)	0.15 (0.1–0.2)	0.91 (0.9–0.94)
	Published norms	582/145	1.38 (0.8–2.3)	0.25 (0.2–0.3)	0.81 (0.8–0.84)	0.16 (0.1–0.2)	0.88 (0.85–0.9)
TMT-B	Aβ- norms	423/237	2.83 (1.8–4.5)	0.58 (0.5–0.7)	0.67 (0.6–0.7)	0.20 (0.1–0.3)	0.92 (0.9–0.95)
	Published norms	539/155	1.84 (1.1–3.0)	0.33 (0.2–0.4)	0.79 (0.76–0.8)	0.19 (0.1–0.2)	0.89 (0.86–0.9)

Numbers are estimates with (95% CI): Aβ, amyloid-beta; AVLT, Auditory Verbal Learning Test; NPV, negative predictive value; OR, odds ratio; PPV, positive predictive value; TMT-A, Trail Making Test part A; TMT-B, Trail Making Test part B.