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Table 2 Orotracheal intubation outcomes using the Miller and Airtraq laryngoscopes

From: Comparison of Miller and Airtraq laryngoscopes for orotracheal intubation by physicians wearing CBRN protective equipment during infant resuscitation: a randomized crossover simulation study

Characteristics Miller (N= 410) Aitraq (N= 410) p-value (*)
Orotracheal intubation success, n (%) 376 (92) 408 (99) <.001
Orotracheal intubation time, s (median, IQR) 20.0 [14.0–31.2] 15.0 [10.0–22.0] <.001
Glottis visualization time, s (median, IQR) 7.5 [5.0–11.0] 6.0 [4.0–10.2] .237
Cormack-Lehane score    <.001
1 196 (49) 362 (89)  
2 151 (38) 42 (10)  
3 26 (7) 4 (1)  
4 24 (6)   
Attempts, n (%)    .003
1 372 (92) 402 (98)  
2 25 (6) 7 (1)  
3 7 (2) 1 (1)  
Optimization manoeuvres required, n (%)    <.001
0 390 (95) 407 (99)  
1 17 (4) 3 (1)  
2 3 (1) 0 (0)  
Oesophageal intubations, n (%)    <.001
0 381 (93) 407 (99)  
1 24 (6) 3 (1)  
2 5 (1) 0 (0)  
Selective bronchial intubation, n (%)    .038
0 369 (90) 385 (94)  
1 41 (10) 25 (6)  
  1. *: p-value adjusted for confounding included physician specialty, working experience in emergency department, experience of infant intubation, and experience of CBRN-PPE wearing; IQR: interquartile range