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Table 3 Predictivity results obtained with tripartite subdivision of the dataset. The first two subsets with 124 records were used for training-testing experiments (n = 64 and n = 60, respectively), while the third subset with 50 records was employed for validation test

From: Bone Strain Index predicts fragility fracture in osteoporotic women: an artificial intelligence-based study

ANN

Records

Fracture yes

Fracture no

Sensitivity (%)

Specificity (%)

Overall accuracy (%)

AUC

Backpropagation sequence AB

64

25

36

82.40

75.60

79.00

0.79

Backpropagation sequence BA

60

25

40

78.50

81.70

80.10

0.82

Backpropagation (validation set)

50

19

29

79.8

78.3

79.05

0.80