Table 4 Machine learning classification of patients with MCI.

From: Machine learning-based estimation of the mild cognitive impairment stage using multimodal physical and behavioral measures

Dataset

Algorithm for classification

Algorithm for feature reduction

No. of features reduced

AUC (95% CI)

ACC (95% CI)

Recall (95% CI)

Precision (95% CI)

F1 (95% CI)

Gait + Sleep + BC

SVM

PCA

40

0.94 (0.91–0.97)

0.80 (0.75–0.85)

0.86 (0.80–0.92)

0.69 (0.58–0.80)

0.75 (0.70–0.80)

Gait + Sleep + BC

RF

PCA

40

0.87 (0.81–0.93)

0.76 (0.69–0.83)

0.74 (0.58–0.90)

0.65 (0.58–0.72)

0.67 (0.61–0.73)

Gait + Sleep + BC

MLP

ICA

60

0.94 (0.90–0.98)

0.78 (0.73–0.83)

0.94 (0.90–0.98)

0.63 (0.60–0.66)

0.75 (0.72–0.78)

Gait + Sleep + BC

CNN

PCA

60

0.94 (0.91–0.97)

0.79 (0.74–0.84)

0.86 (0.80–0.92)

0.70 (0.64–0.76)

0.75 (0.70–0.80)

GM + WMH

SVM

ICA

20

0.90 (0.86–0.94)

0.81 (0.77–0.85)

0.82 (0.72–0.92)

0.71 (0.65–0.77)

0.75 (0.71–0.79)

GM + WMH

RF

ICA

60

0.85 (0.79–0.91)

0.78 (0.72–0.84)

0.73 (0.69–0.77)

0.70 (0.64–0.76)

0.70 (0.67–0.73)

GM + WMH

MLP

ICA

40

0.90 (0.87–0.93)

0.81 (0.77–0.85)

0.90 (0.86–0.94)

0.69 (0.65–0.73)

0.78 (0.74–0.82)

GM + WMH

CNN

ICA

40

0.94 (0.90–0.98)

0.86 (0.83–0.89)

0.87 (0.83–0.91)

0.80 (0.73–0.87)

0.82 (0.79–0.85)

GM + WMH + Gait + Sleep + BC

SVM

ICA

20

0.93 (0.89–0.97)

0.86 (0.82–0.90)

0.85 (0.79–0.91)

0.82 (0.70–0.94)

0.81 (0.78–0.84)

GM + WMH + Gait + Sleep + BC

RF

PCA

20

0.92 (0.88–0.96)

0.81 (0.76–0.86)

0.79 (0.75–0.83)

0.74 (0.67–0.81)

0.75 (0.71–0.79)

GM + WMH + Gait + Sleep + BC

MLP

ICA

40

0.94 (0.92–0.96)

0.86 (0.82–0.90)

0.82 (0.74–0.90)

0.82 (0.76–0.88)

0.80 (0.77–0.83)

GM + WMH + Gait + Sleep + BC

CNN

PCA

60

0.93 (0.89–0.97)

0.89 (0.85–0.93)

0.78 (0.70–0.86)

0.91 (0.87–0.95)

0.83 (0.80–0.86)

  1. BC Body composition; SVM Support vector machine; RF Random forest; MLP Multilayer perceptron; CNN Convolutional neural network; ICA Independent component analysis; PCA Principal component analysis, No. Number; AUC Area under the curve; ACC Accuracy; F1 F1 score.