Table 3 Cutoff value of POCUS parameters for predicting difficult laryngoscopy
Variables | Difficult laryngoscopy | Sensitivity | Specificity | Diagnostic accuracy |
|---|---|---|---|---|
Pre-E/E-VC | ≥ 1.86 | 83.3% | 93.8% | 92.9% |
Tongue thickness | ≥ 5.98 | 83.3% | 87.5% | 87.1% |
Hyomental distance (HMD) | ≤ 6 | 83.3% | 87.5% | 87.1% |
Distance from skin to hyoid bone (DSHB) | ≥ 0.87 | 83.3% | 59.4% | 61.4% |