Fig. 3From: Role of tube size and intranasal compression of the nasotracheal tube in respiratory pressure loss during nasotracheal intubation: a laboratory study a Clinically measured minor axis (left) and predicted compression force (right) of 7.0- and 7.5-mm ID tubes in the nasal cavity by physical simulation. b Relationship between the minor axis of the tracheal tubes and external compression force. The lines indicate medians with interquartile rangeBack to article page