TABLE 2.
Prior probabilities for groups |
Classification results |
|||||
Prior% | Cases used |
Predicted group membership% |
||||
SMC | aMCI | naMCI | Total | |||
(A) | ||||||
“Stringent criteria” grouping | ||||||
SMC | 4.1 | 20 | 0 | 20.0 | 80.0 | 100 |
aMCI | 26.8 | 38 | 0 | 47.4 | 52.6 | 100 |
naMCI | 59.2 | 84 | 0 | 7.1 | 92.9 | 100 |
(B) | ||||||
“General criteria” grouping | ||||||
SMC | 14.1 | 20 | 0 | 30.0 | 70.0 | 100 |
aMCI | 39.4 | 56 | 0 | 55.4 | 44.6 | 100 |
naMCI | 46.5 | 66 | 0 | 24.2 | 75.8 | 100 |
A. 67.6% of original grouped cases correctly classified. B. 57.0% of original grouped cases correctly classified.