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Table 3 Predictive values of cervical mobility indicators for predicting difficult laryngoscopy

From: Preoperative X-ray C2C6AR is applicable for prediction of difficult laryngoscopy in patients with cervical spondylosis

Indicators AUC 95 % CI SE P-value
BMI 0.574 0.487–0.661 0.044 0.136
MMT (class I-II/class III-IV) 0.586 0.489–0.684 0.050 0.081
HMDn (cm) 0.569 0.466–0.671 0.052 0.183
HMDe (cm) 0.586 0.492–0.679 0.048 0.102
HMDR 0.520 0.423–0.617 0.049 0.703
C0C1Dn (mm) 0.541 0.436–0.647 0.054 0.404
C0C1De (mm) 0.571 0.482–0.660 0.045 0.152
C0C1DR 0.524 0.433–0.616 0.047 0.624
C1C2Dn (mm) 0.555 0.451–0.659 0.053 0.266
C1C2De (mm) 0.554 0.459–0.649 0.049 0.277
C1C2DR 0.513 0.415–0.610 0.050 0.796
C 2 C 6 An (°) 0.629 0.533–0.724 0.049 0.013
C2C6Ae (°) 0.530 0.421–0.638 0.055 0.568
C 2 C 6 AR 0.714 0.633–0.794 0.041 < 0.001
  1. AUC area under the curve