From: A pilot, prospective trial of IntuBrite® versus Macintosh direct laryngoscopy for paramedic endotracheal intubation in out of hospital cardiac arrest
Effectiveness
Intubation device
IntuBrite
Macintosh
Number
Percentage
unsuccessful
8
19.05%
16
35.56%
successful
34
80.95%
29
64.44%
Chi-square test of independence
chi^2 = 2.9636, df = 1, p = 0.0852