From: Comparison of videolaryngoscopy and direct laryngoscopy by German paramedics during out-of-hospital cardiopulmonary resuscitation; an observational prospective study
ETI successful
ETI unsuccessful
GVL
21 (75%)
7 (25%)
28
DL
47 (68.1%)
22 (31.9%)
69
68
29
97
Fisher’s exact test two-tailed P-value is 0.626777