Fig. 6

The right part of the decision tree (Fig. 4) predicts the dementia classes (“No Dementia”/ “Minimal or Mild Dementia” / “Moderate or Severe Dementia”) of 2505 patients for the Problem (b). In the tree, one of the most significant paths C predicts nearly pure decisive classes for patients. The rules of C leads to a large majority of “No Dementia” populations, comprised by 1111 individuals, respectively