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Table 1 Summary the model goodness statistics

From: Assessment of a model based optimization engine for volumetric modulated arc therapy for patients with advanced hepatocellular cancer

  Number of structures in the model Recommended number of structures needed for training Regression model's parameters average chi square Whole estimation model fit MSE between original and estimate
Small bowel 39 - 1.015 0.865 0.010
Left kidney 45 - 1.094 0.867 0.009
Right kidney 45 - 1.125 0.816 0.004
Left lung 35 60 1.169 0.860 0.002
Right lung 35 54 1.306 0.947 0.002
Esophagus 21 30 1.147 0.857 0.017
Normal liver 45 - 1.071 0.849 0.002
Spinal cord 45 - 1.567 0.891 0.008
Stomach 24 42 1.336 0.923 0.011
  1. MSE mean squared error.