From: Comparison of the Glidescope® and Pentax AWS®laryngoscopes to the Macintosh laryngoscope for use by Advanced Paramedics in easy and simulated difficult intubation
Parameter Assessed
Macintosh
Glidescope®
AWS®
P value
Overall Difficulty of Use Score
4.3 ± 2.0*
2.9 ± 2.1
2.6 ± 2.1
P = 0.01
Overall Confidence with each device
7.4 ± 1.5
7.1 ± 2.4
7.8 ± 2.6
P = 0.52