Table 3

Comparison of cricothyroidotomy competency scores between swine model trained and inanimate manikin trained during first testing

Cricothyroidotomy competencySwine model trained
Inanimate manikin trained
P value
Placement and securement
How would you confirm that the tube was correctly placed in the airway?Chest auscultation9 (56.25)12 (85.71)0.08
Feel air passing in and out of tube3 (18.75)4 (28.57)0.53
CO2 detector6 (37.50)9 (64.29)0.14
Improvement in O2 saturation2 (12.50)3 (21.43)0.51
Chest rising13 (81.25)12 (85.71)0.74
How would you secure this airway?Secure ties from either end of tube around back of neck15 (93.75)14 (100)0.34
Procedural duration
Time taken to establish the airway from the time the instructor says time starts now until cuff blown up156.38±89.76151.36±74.270.84
Time taken to establish the airway from the time the incision was made until cuff blown up85.56±45.03106.64±58.50.27
Success of the procedure
Critical criteriaDid not correctly identify the location of the cricothyroid membrane (placed via tracheal rings)000.23
Did not obtain a patent airway with the emergency surgical airway1 (6.25)0
Performed procedure in a manner that was dangerous to the casualty2 (12.50)0
Successful13 (81.25)14 (100)
  • CO2, Carbon Dioxide; O2, Oxygen.