Table 4.
Discriminant classification resultsb,c.
| Clinical diagnosis | Predicted group membership |
Total | ||
|---|---|---|---|---|
| Controls | AD | |||
| Original | Controls | 89 (88.1%) | 12 (11.9%) | 101 |
| AD | 13 (13.3%) | 85 (86.7%) | 98 | |
| Total | 107 | 92 | 199 | |
| Cross-validateda | Controls | 87 (86.1%) | 14 (13.9%) | 101 |
| AD | 15 (15.3%) | 83 (84.7%) | 98 | |
| Total | 106 | 93 | 199 | |
aCross validation was performed only for those cases in the analysis. In cross validation, each case is classified by the functions derived from all cases other than that case. b86.7% of original grouped cases correctly classified. c84.7% of cross-validated grouped cases correctly classified.