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Table 4 The parameters for laryngoscopy

From: Comparison of hypoxemia, intubation procedure, and complications for non-invasive ventilation against high-flow nasal cannula oxygen therapy for patients with acute hypoxemic respiratory failure: a non-randomized retrospective analysis for effectiveness and safety (NIVaHIC-aHRF)

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)
  1. Variables are reported as frequency (percentages)
  2. The Fischer exact test was performed for statistical analysis
  3. A p-value of less than 0.05 was considered significant
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