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Table 3 Receiver operating characteristic (ROC) analysis for difficult intubation

From: Ethnic considerations in the upper lip bite test: the reliability and validity of the upper lip bite test in predicting difficult laryngoscopy in Koreans

Variables

AUC Value (95% CI)

IID ≤ 4.5 cm

0.664 (0.611–0.713)

TMD ≤ 8.3 cm

0.622 (0.568–0.673)

SMD ≤ 17.9 cm

0.629 (0.576–0.680)

MMT

0.643 (0.590–0.694)

ULBT

0.513 (0.458–0.567)

  1. Values are number (confidence interval). IID inter-incisor distance, TMD thyromental distance, SMD Sternomental distance (SMD), MMT Modified Mallampati test, ULBT upper lip bite test, AUC areas under the ROC curves, CI confidence interval
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BMC Anesthesiology

ISSN: 1471-2253

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