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. Author manuscript; available in PMC: 2015 Oct 13.
Published in final edited form as: J Aging Health. 2015 Mar 24;27(7):1199–1222. doi: 10.1177/0898264315577590

Table 3.

Differentiating Between Normal and Dementia Participants.

Composite subtest Composite domains Learning and retention
AUC 0.98 [0.95, 1.00] 0.97 [0.94, 1.00] 0.97 [0.94, 1.00]
Cutoff −0.16 −0.13 −0.07
Sensitivity 0.89 [0.67, 0.99] 0.89 [0.67, 0.99] 0.89 [0.67, 0.99]
Specificity 0.96 [0.94, 0.97]a,b 0.92 [0.90, 0.94] 0.88 [0.85, 0.91]
PPV 0.41 [0.26, 0.58] 0.28 [0.17, 0.41] 0.20 [0.12, 0.30]
NPV 1.00 [0.99, 1.00] 1.00 [0.99, 1.00] 1.00 [0.99, 1.00]
Test accuracy 0.96 [0.94, 0.97]a,b 0.92 [0.90, 0.94] 0.88 [0.85, 0.91]

Note. AUC = area under the curve; PPV = positive predictive value; NPV = negative predictive value.

a

Significant difference compared with composite domains summary score.

b

Significant difference compared with learning and retention summary score.