Fig. 4From: Development and validation of a screening method for difficult tracheal intubation based on geometric simulation and computer technologyROC curve analysis of independent risk factors for predicting difficult intubation (a) and difficult laryngoscopy (b). At the bottom are the values of AUCs and their comparisons. *: Statistically significant difference from others. Abbreviation: TMJ, temporomandibular joint; AUC, area under the curve; ROC, receiver operating characteristic curveBack to article page