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Table 3 Results of regression model for all data

From: Age estimation by pulp to tooth area ratio in canine teeth using cone-beam computed tomography

 VariableUnstandardized coefficientsP valueModel evaluation criteria
BSERR2MAERMSE
Regression with all variable (n = 300)Constant60.316.730.0000.810.665.207.37
 AR− 311.7523.790.000    
 P30.499.520.002    
 A125.1415.870.114    
 A253.7019.230.006    
 C1− 11.2615.490.468    
 C24.7911.070.665    
 B1− 45.2615.970.005    
 B2− 28.5011.490.017    
Regression with forward variable selection (n = 300)Constant57.885.190.0000.880.774.465.89
 AR− 380.9019.210.000    
 A272.6815.040.000    
 B1− 60.1711.040.000    
 P33.157.540.000    
 A130.6911.830.000