Table 4.
The parameters for laryngoscopy
| Parameters | Cohorts | Comparisons between cohorts | |
|---|---|---|---|
| NIV | HCO | ||
| Procedure for oxygenation and ventilation | Non-invasive ventilation | High-flow nasal cannula oxygen | |
| Patients included in the analysis | 154 | 161 | p-value |
| Time duration of laryngoscopy (min) | |||
| < 1 | 87 (56) | 96 (59) | 0.847 |
| 1–3 | 52 (34) | 51 (32) | |
| > 3 | 15 (10) | 14 (9) | |
| Number of laryngoscopies attempts | |||
| 1 | 123 (80) | 126 (78) | 0.804 |
| 2 | 23 (15) | 28 (18) | |
| ≥ 3 or procedural time ≥ 10 min | 8 (5) | 7 (4) | |
Variables are reported as frequency (percentages)
The Fischer exact test was performed for statistical analysis
A p-value of less than 0.05 was considered significant