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Table 5 Optimized Protocol – Summary of results obtained by each ANN model on the variables of the first (7 variables) and second (9 variables) selection using the IS system.

From: Placental determinants of fetal growth: identification of key factors in the insulin-like growth factor and cytokine systems using artificial neural networks

ANN Model

Target

Mean Accuracy %

Errors

 

FGR (%)

AGA (%)

Arithmetic

Weighted

 

BM 7 VAR.

91,67

84,62

88,14

88,00

3

BM 9 VAR.

91,67

76,92

84,29

84,00

4

BP 7 VAR.

91,67

84,62

88,14

88,00

3

BP 9 VAR.

91,67

84,62

88,14

88,00

3

SN 7 VAR.

75,00

92,31

83,65

84,00

4

SN 9 VAR.

75,00

84,62

79,81

80,00

5

  1. FGR: fetal growth restriction;
  2. AGA: appropriate for gestational age.
  3. BM Bimodal neural network
  4. BP: Back propagation neural network
  5. SN: Sine net neural network