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Table 3 Predicted values based on the two methods compared with the actual values in the female sample

From: Prediction of unerupted canines and premolars in a Syrian sample

  Predicted values of ∑345 Actual values of ∑345 t value p value
  Mean SD Mean SD   
Maxillary arch       
  Moyers 50% 21.55 1.17 21.39 1.26 1.123 0.231
  Moyers 75% 21.90 1.21 21.39 1.26 6.874 <0.001
  Tanaka and Johnston 22.17 1.79 21.39 1.26 8.987 <0.001
Mandibular arch       
  Moyers 50% 21.05 1.20 20.91 1.24 1.112 0.365
  Moyers 75% 21.55 1.21 20.91 1.24 7.455 <0.001
  Tanaka and Johnston 22.07 1.79 20.91 1.24 9.583 <0.001
  1. ∑345 is the sum of permanent canines and premolars in one arch quarter.