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Table 2 Predicted values based on the two methods compared with the actual values in the male 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 21.81 1.14 −5.392 0.006
  Moyers 75% 21.90 1.21 21.81 1.14 0.887 0.538
  Tanaka and Johnston 22.17 1.79 21.81 1.14 6.578 0.003
Mandibular arch       
  Moyers 50% 21.05 1.20 21.45 1.21 −6.639 0.004
  Moyers 75% 21.55 1.21 21.45 1.21 0.952 0.475
  Tanaka and Johnston 22.07 1.79 21.45 1.21 7.437 <0.001
  1. ∑345 is the sum of permanent canines and premolars in one arch quarter.