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Table 2 Relevant time variables in baseline and post-training testing

From: Comparison of a percutaneous device and the bougie-assisted surgical technique for emergency cricothyrotomy: an experimental study on a porcine model performed by air ambulance anaesthesiologists

  Baseline Post-training
Time from start of procedure (seconds) Time from start of procedure (seconds)
Mean Median SD Mean Median SD
BACT
Incision of membrane 7.8 7 3.0 8.4 6 4.6
Bougie in trachea 26.8 24 8.3 23.7 21 8.7
Tube fully advanced 39.7 39 9.4 30.8 27.5 11.2
Cuffed and ready to connect to the self-inflatable bag 44.9 * 45 9.8 37.1 * ^ 33 8.8
PCK
Perforation of the membrane 14.6 13 8.1 9.0 8 4.0
Tube advanced fully 30.9 29 11.8 15.2 14 5.4
Cuffed and ready to connect to the self-inflatable bag 36.3 ¤ 33 10.4 20.6 ¤ ^ 20.5 5.4
  1. p-values (when significant): * p = 0.021.
  2. ¤ p < 0.001.
  3. ^ p < 0.001.