Skip to main content

Table 4 Variable selection from GA for prediction of conversion from HC to MCI/AD, compared with random selections of features.

From: Genetic algorithm with logistic regression for prediction of progression to Alzheimer's disease

# of features

Average AUC

(GA selected variable sets)

Average AUC

(randomly selected variable sets)

3

0.89

0.69

4

0.88

0.71

5

0.89

0.74

6

0.89

0.75

7

0.89

0.77

8

0.89

0.77

9

0.90

0.77

11

0.90

0.79

  1. The best performance is associated with sets comprising 3 to 11 features and can be classified as good-to excellent performance (AUC≈0.9). Random selection of features resulted in poor to borderline predictions (AUC<0.79).