Patients showing deficits in individual cognitive domains specified by NINCDS-ADRDA criteria
| Cognitive domain | AD n (%) | FTD n (%) | Sensitivity | Specificity | LR | 95% CI |
|---|---|---|---|---|---|---|
| Memory | 28 (93.3) | 20 (76.9) | 0.93 | 0.23 | 1.21 | 0.96–1.53 |
| Orientation | 26 (86.6) | 12(46.1) | 0.87 | 0.54 | 1.88 | 1.21–2.91* |
| Language | 28 (93.3) | 24 (92.3) | 0.93 | 0.08 | 1.01 | 0.87–1.17 |
| Praxis | 28 (93.3) | 11 (42.3) | 0.93 | 0.58 | 2.21 | 1.39–3.49* |
| Attention | 24 (80) | 19 (73.1) | 0.8 | 0.27 | 1.09 | 0.82–1.47 |
| Perception | 12 (40) | 7 (26.9) | 0.4 | 0.73 | 1.49 | 0.69–3.21 |
| Problem solving | 12 (40) | 18 (69.2) | 0.4 | 0.31 | 0.58 | 0.35–0.96* |
LR=positive likelihood ratio for AD; *LR significantly different from 1.