Table 10 Metric details and confusion matrix of our best custom-built Artificial Neural Network (ANN) model on 5-class classification

Metric details

Score

logloss

1.2933

accuracy

0.4773

Confusion matrix

Predicted as LOS = 0–7

Predicted as LOS = 8–14

Predicted as LOS = 15–21

Predicted as LOS = 22–28

Predicted as LOS > 28

Labeled as LOS = 0–7

0

12

46

4

0

Labeled as LOS = 8–14

0

131

105

9

1

Labeled as LOS = 15–21

0

85

482

68

2

Labeled as LOS = 22–28

0

30

248

104

3

Labeled as LOS > 28

0

16

92

74

9