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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