Table 2.
Clinical Outcomes |
Video
Laryngoscopy (n = 74) |
Direct
Laryngoscopy (n = 76) |
p-value |
---|---|---|---|
Intubation on First Laryngoscopy Attempt, No. (%) | 51 (68.9%) | 50 (65.8%) | 0.68 |
Number of Laryngoscopy Attempts, median (IQR) | 1 (1 - 1) | 1 (1 - 2) | 0.24 |
Time from induction to intubation, median (IQR), seconds | 126 (89 - 197) | 153 (93 - 253) | 0.13 |
Time to intubation when only one attempt, median (IQR),
seconds (n=101) |
105 (75 - 150) | 112 (86 - 156) | 0.45 |
Lowest arterial oxygen saturation, median (IQR), % | 91% (82 - 98) | 90% (82 - 97) | 0.75 |
Change in arterial oxygen saturation from baseline,
median (IQR), % |
− 4% (−14.5 to −1) | − 4% (−11 to 0) | 0.39 |
Best Cormack-Lehane view obtained on first attempt*,
No. (%) |
|||
Grade I | 57 (77%) | 38 (50%) | 0.001 |
Grade II | 15 (20.3%) | 23 (30.3%) | |
Grade III | 1 (1.4%) | 9 (11.8%) | |
Grade IV | 1 (1.4%) | 6 (7.9%) | |
Difficulty of Intubation*, No. (%) | |||
Easy | 64 (86.5%) | 54 (71.1%) | 0.051 |
Moderate | 9 (12.2%) | 17 (22.4%) | |
Difficult | 1 (1.4%) | 5 (6.6%) | |
Procedural Complications*, Total No. (%) | 26 (35.1%) | 29 (38.1%) | 0.73 |
Aspiration | 1 (1.4%) | 1 (1.3%) | 1 |
Esophageal Intubation | 1 (1.4%) | 4 (5.3%) | 0.36 |
SBP Less Than 80 mm Hg | 8 (10.8%) | 7 (9.2%) | 0.79 |
SpO2 < 80% | 14 (19.4%) | 16 (21.1%) | 0.84 |
Cardiac Arrest | 1 (1.4%) | 1 (1.3%) | 1 |
Airway Trauma | 1 (1.4%) | 0 | 0.49 |
Duration of Mechanical Ventilation, median (IQR), days | 3 (1 -11) | 3 (1 - 8) | 0.69 |
ICU Length of Stay, median (IQR), days | 6 (2 -11) | 4 (3 - 9) | 0.41 |
In-hospital Mortality, No. (%) | 31 (41%) | 32 (42%) | 1 |
Data given as median (25th percentile - 75th percentile) or number (percentage) of patients.
p-value = Mann-Whitney U Test, Pearson's Chi Square, or Chi-square for a trend SpO2 = arterial oxygen saturation; SBP = systolic blood pressure
Grade of view, airway difficulty description, and complications were reported by the operator.