Table 3 Multivariable analysis (secondary analysis): the occurrence of adverse tracheal intubation-associated events in patients receiving tracheal intubations with or without apneic oxygenation

Apneic oxygenation use

0.90

0.72–1.12

0.334

Age

Infant

Reference

NA

NA

 Young child (1–7 year)

1.09

0.89–1.34

0.384

 Older child (8–17 year)

0.99

0.74–1.33

0.934

 Adult (18 year or older)

1.13

0.77–1.67

0.521

Indication for intubation

 Respiratory failure

1.24

1.05–1.46

0.010

 Shock

1.60

1.30–1.97

 < 0.001

 Neurological

0.99

0.75–1.33

0.967

 Procedural

0.81

0.64–1.03

0.084

 History of difficult airway

0.82

0.66–1.02

0.080

 Difficult airway feature

1.24

1.05–1.47

0.013

Clinician

 Attending

Reference

NA

NA

 Fellow

0.76

0.59–0.97

 < 0.001

 Resident

1.12

0.79–1.57

0.521

 Nurse practitioner

0.85

0.59–1.22

0.371

 Hospitalist

0.94

0.65–1.35

0.729

 Respiratory therapist

1.85

1.06–3.26

0.032

 Subspecialist/Physician

assistant/Other

0.84

0.61–1.18

0.317

Vagolytic

1.60

1.11–2.31

0.012

Ketamine

0.81

0.64–1.04

0.096

Propofol

0.65

0.41–1.01

0.055

Neuromuscular blockade

0.75

0.52–1.08

0.120

Direct laryngoscope

Reference

NA

NA

Video laryngoscope

0.61

0.49–0.76

 < 0.001