Table 4 : Univariate analysis to assess the association between each landmark and physical characteristics.


ENL Age (years) Height (cm) Weight (kg)

  Coefficient Estimate±SE P-value Coefficient Estimate±SE P-value Coefficient Estimate±SE P-value

Thyromental Distance (TMD)* 0.006±0.005 0.208 0.040±0.010 <0.0001 0.022±0.007 0.001
Hyoid to Cricoid Cartilage Distance (HCD) 0.004±0.005 0.464 0.042±0.012 0.001 0.032±0.008 <0.0001
Sternomental distance
(SMD)
-0.031±0.008 <0.0001 0.083±0.017 <0.0001 0.016±0.012 0.169
Thyroid Cricoid Distance (TCD) -0.006±0.003 0.086 0.020±0.007 0.008 0.005±0.005 0.315
Thyroid Width (TW) 0.001±0.003 0.817 0.027±0.007 0.0001 0.020±0.005 <0.0001
Thyroid Height (TH) 0.000±0.003 0.897 0.015±0.007 0.027 0.008±0.004 0.079
Occipital process to
C7 Distance (OCD)
-0.010±0.007 0.135 0.027±0.015 0.071 0.010±0.010 0.290
Hyoid mental Distance
(HMD)
-0.008±0.004 0.037 0.013±0.009 0.143 -0.002±0.006 0.705

Cattano et al.Journal of Anesthesiology and Clinical Science  2014 3:7DOI : 10.7243/2049-9752-3-7