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Table 2 Summary of AUCs and cut-off values for PRW, RSA, RV, RSA/RL, and RV/RL

From: A novel three-dimensional quantitative assessment method for abnormal root morphology of the maxillary premolars in vivo on cone-beam computed tomography

  PRW RSA RV RSA/RL RV/RL
AUC 0.80 0.76 0.84 0.87 0.89
Cut-off 0.37 208.44 295.20 19.61 24.05
P 0.000 0.000 0.000 0.000 0.000
  1. AUC, area under the curve; PRW, parameters of root width; RSA, root surface area; RV, root volume; RL, root length