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Table 6 Prediction accuracy of stepwise LRA formulas using reference sample and test sample in different age groups

From: Univariate and multivariate sex dimorphism in the diverse age group of the South Indian dentition using the polyvinyl siloxane elastomeric impression material

  Male Female Total
N % N % N %
Accuracy on the sample of age group 18 to39 years used to develop model
 Teeth in both jaws 47/50 94 44/50 88 91/100 91
 Maxillary teeth 44/50 88 41/50 82 85/100 85
 Mandibular teeth 34/50 68 39/50 78 73/100 73
Accuracy on the sample of age group 40 to 60 years used to develop model
 Teeth in both jaws 43/50 86 42/50 84 85/100 85
 Maxillary teeth 42/50 84 42/50 84 84/100 84
 Mandibular teeth 39/50 78 44/50 88 83/100 83
Accuracy on the sample of overall age group 18 to 60 years used to develop model
 Teeth in Both jaws 84/100 84 82/100 82 166/200 83
 Maxillary teeth 84/100 84 82/100 82 166/200 83
 Mandibular teeth 76/100 76 74/100 74 150/200 74
Accuracy of LRA formula when applied on test sample of age group 18 to 60 years
 Teeth in both jaws 15/20 75 16/20 80 31/40 77.5
 Maxillary teeth 15/20 75 16/20 80 31/40 77.5
 Mandibular teeth 14/20 70 15/20 75 30/40 75