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. 2016 Jun 19;63(5):687–693. doi: 10.1093/cid/ciw399

Figure 2.

Figure 2.

Criterion validity of the CogState-based screen. Sensitivity is the proportion of individuals identified as impaired on both the gold standard and the screen. Specificity is the proportion of individuals identified as unimpaired on both the gold standard and the screen. PPP is the probability an individual has human immunodeficiency virus (HIV)–associated neurocognitive disorders (HAND) given their positive screen result. NPP is the probability an individual does not have HAND given their negative screen result. Abbreviations: HAD, HIV-associated dementia; MND, mild neurocognitive disorder.