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Table 3 Multivariate analysis for the association of successful intubation with cardiopulmonary resuscitation quality metrics and the number of intubation by the type of airway during cardiopulmonary resuscitation

From: Compromised cardiopulmonary resuscitation quality due to regurgitation during endotracheal intubation: a randomised crossover manikin simulation study

 

Oropharyngeal regurgitation

Clean airway

Variables

HR

95% CI

P

HR

95% CI

P

CCF

0.99

0.95–1.03

0.603

1.03

0.96–1.10

0.407

Compression depth

0.47

0.24–0.91

0.026

1.08

0.40–2.89

0.886

Compression rate

1.02

0.98–1.05

0.331

1.02

0.96–1.07

0.565

The longest interruption

0.86

0.74–1.01

0.061

1.10

0.79–1.55

0.569

The number of intubation

1.10

0.73–1.65

0.662

0.98

0.51–1.87

0.954

  1. Abbreviation: CCF chest compression fraction, HR hazard ratio, CI confidence interval