From: Comparison of two 3D scanning software to identify facial features: a prospective instrument to predict difficult airway
Percentage error with all the observers
Percentage error without observer 1
p-value
Median (IQR)
Angles
3.9 (5.4)
3.7 (5)
0.5699
Distances
6.7 (9.5)
6.3 (8.7)
0.2633
Total sample
5.5 (8.7)
5.13 (7.8)
0.2472