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Table 3 Degree of difficulty

From: A comparison of airway management devices in simulated entrapment-trauma: a prospective manikin study

  Mean Median SD 95% CI
LMA Supreme 1.7 1.0 1.0 1.2–2.1
Laryngeal tube 2.5 2.0 1.7 1.8–3.2
Macintosh 3.7 3.5 2.0 2.9–4.5
Airtraq 4.5 4.0 2.0 3.7–5.3
  1. SD standard deviation, CI confidence interval, LMA laryngeal mask airway
  2. Scale 1–10: 1 = least difficult and 10 = most difficult