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Performance of Dementia = (MC)2 for Detecting MCI and Dementia by Total Score
| Score | Sensitivity for MCI | Sensitivity for Dementia | Combined Sensitivity | Specificity | LR+ (MCI or Dementia) | LR− (MCI or Dementia) |
|---|---|---|---|---|---|---|
| ≥ 1 | 98% | 99% | 99% | 83% | 5.7 | 0.02 |
| ≥ 2 | 87% | 97% | 95% | 91% | 10.8 | 0.06 |
| ≥ 3 | 49% | 89% | 78% | 98% | 38.8 | 0.22 |
| 4 | 12% | 46% | 37% | 99% | 54.4 | 0.64 |
MCI: mild cognitive impairment; LR: likelihood ratio
