Table 2 Predictive value of MCI compared to cognitively normal or depressed for the emergence of dementia within a period of two years
From: Progression and improvement after mild cognitive impairment
Predictive value | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Numbers | Sensitivity | Specificity | PPV | NPV | Relative risk | ||||
Baseline MCI | yes | no | |||||||
Demented at follow-up | yes | no | yes | no | |||||
MCI versus normal | 9 | 15 | 15 | 95 | 38 (20-59) | 86 (78-92) | 38 (20-59) | 86 (78-92) | 2.75 (1.37-5.53) |
MCI versus normal or depressed | 9 | 15 | 20 | 112 | 31 (16-51) | 88 (81-93) | 38 (20-59) | 85 (77-90) | 2.48 (1.29-4.77) |