Skip to main content

Table 3 Comparison of the five devices used by participants who were inexperienced (n  =  54) vs. experienced (n  =  25) with orotracheal intubation in critical care

From: Comparison of four channelled videolaryngoscopes to Macintosh laryngoscope for simulated intubation of critically ill patients: the randomized MACMAN2 trial

Groups Macintosh n  =  79 AirTraq n  =  79 KingVision n  =  79 Pentax AWS200 n  =  79 VividTrac n  =  79 p value
First-attempt success
 Experienced 18 (72.0) 25 (100.0) 25 (100.0) 24 (96.0) 23 (92.0) < 0.001
 Inexperienced 38 (70.0) 52 (96.3) 52 (96.3) 53 (98.2) 50 (92.6) < 0.001
Time to intubation (s)
 Experienced 86.73 (57.3) 55.41 (16.4) 56.55 (25.5) 50.44 (20.7) 78.16 (45.8) < 0.001
 Inexperienced 95.46 (61.3) 73.56 (34.2) 70.97 (22.3) 68.52 (37.4) 85.14 (41.5) 0.002
Lowest SpO2 (%)
 Experienced 85.33 (5.21) 88.09 (1.78) 88.13 (2.87) 88.74 (2.14) 87.13 (4.36) 0.01
 Inexperienced 84.02 (7.39) 86.88 (3.74) 87.12 (2.14) 87.48 (3.75) 85.70 (3.75) < 0.001
Percentage of glottic opening
 Experienced 56.88 (29.4) 88.96 (13.0) 90.42 (13.9) 88.54 (13.6) 76.04 (19.6) < 0.001
 Inexperienced 57.25 (24.4) 83.98 (15.9) 91.30 (13.2) 90.19 (13.6) 80.74 (21.4) < 0.001
Ease of device use
 Experienced 6.92 (1.93) 7.29 (1.73) 7.83 (1.63) 8.00 (1.79) 5.67 (1.74) < 0.001
 Inexperienced 6.08 (2.29) 7.00 (1.53) 7.21 (1.55) 7.90 (1.32) 6.44 (2.15) < 0.001
  1. The data are the mean  ±  SD or number (%)
  2. aRated by the participants on a scale from 0 to 10