Figure 2.
Adverse events by group.
None, no difficult airway characteristic; ADA, anatomically difficulty airway; PDA, physiologically difficult airway; Both, presence of both anatomically and physiologically difficult airway characteristics.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.