Research Article
The Performance of the Intubation Difficulty Scale among Obese Parturients Undergoing Cesarean Section
Table 6
The performance of the endotracheal time among obese pregnant patients for detecting somewhat difficult intubation, based on ROC curve analysis.
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Note. PPV; positive predictive value, NPV; negative predictive value, LR+; positive likelihood ratio, LR−; negative likelihood ratio, AUC; area under the ROC curve, Youden’s index; = sensitivity + specificity − 1 (its value ranges from 0 to 1; a value of 1 indicates that there are no false positives or false negatives; i.e., the test is perfect). |