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Table 4 Real data results. Mean and coefficient of variation (in parenthesis) of precision (when recall = 0.7), PPV (when NPV = 0.95 for Readmit 30 and 0.99 for the others), AUC, NO. (number of features in predictive models) of five prediction models in testing set in 100 repetitions

From: The application of unsupervised deep learning in predictive models using electronic health records

Response

Prediction

Models

Precision (%)

(recall = 0.7)

PPV (%)

(NPV = 0.95/0.99)

AUC

NO.

Readmit30

Autoencoder

19.04 (0.02)

16.88 (0.02)

0.707 (0.01)

200 (0.00)

LASSO (λmin)

19.70 (0.02)

17.79 (0.02)

0.719 (0.00)

162 (0.10)

Random Forest

18.48 (0.02)

16.50 (0.02)

0.707 (0.01)

469 (0.00)

Simple Reg

18.70 (0.02)

16.06 (0.02)

0.700 (0.01)

25 (0.00)

Enhanced Reg

19.69 (0.02)

17.68 (0.02)

0.717 (0.00)

144 (0.10)

COPD

Autoencoder

55.90 (0.02)

42.16 (0.03)

0.961 (0.00)

200 (0.00)

LASSO (λmin)

58.02 (0.02)

44.50 (0.02)

0.963 (0.00)

266 (0.04)

Random Forest

56.19 (0.02)

40.45 (0.03)

0.956 (0.00)

469 (0.00)

Simple Reg

51.51 (0.02)

35.53 (0.03)

0.952 (0.00)

21 (0.00)

Enhanced Reg

57.06 (0.02)

43.62 (0.02)

0.962 (0.00)

161 (0.08)

AMI

Autoencoder

57.40 (0.04)

68.80 (0.03)

0.985 (0.00)

200 (0.00)

LASSO (λmin)

58.57 (0.04)

70.10 (0.04)

0.986 (0.00)

64 (0.59)

Random Forest

56.32 (0.03)

65.90 (0.03)

0.982 (0.00)

469 (0.00)

Simple Reg

52.24 (0.04)

56.43 (0.06)

0.984 (0.00)

11 (0.00)

Enhanced Reg

59.26 (0.04)

70.66 (0.03)

0.986 (0.00)

129 (0.14)

Heart Failure

Autoencoder

61.48 (0.02)

43.94 (0.02)

0.961 (0.00)

200 (0.00)

LASSO (λmin)

63.15 (0.02)

45.88 (0.02)

0.964 (0.00)

195 (0.08)

Random Forest

60.67 (0.02)

42.56 (0.02)

0.958 (0.00)

469 (0.00)

Simple Reg

57.81 (0.02)

38.50 (0.02)

0.954 (0.00)

18 (0.00)

Enhanced Reg

62.37 (0.02)

45.09 (0.02)

0.962 (0.00)

158 (0.10)

Pneumonia

Autoencoder

40.17 (0.03)

34.56 (0.03)

0.955 (0.00)

200 (0.00)

LASSO (λmin)

42.18 (0.03)

35.94 (0.02)

0.958 (0.00)

204 (0.09)

Random Forest

38.27 (0.03)

32.44 (0.03)

0.951 (0.00)

469 (0.00)

Simple Reg

32.44 (0.02)

28.76 (0.02)

0.942 (0.00)

11 (0.00)

Enhanced Reg

41.39 (0.03)

35.54 (0.02)

0.957 (0.00)

173 (0.08)