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Table 4 Intubation data for novice personnel using Macintosh and Airtraq Laryngoscope

From: Teaching tracheal intubation: Airtraq is superior to Macintosh laryngoscope

Group Macintosh (n = 75) Airtraq (n = 74)
Overall success rate (%) 66.7% 87.8%§
Success rate first attempt (%) 34.6% 73.1%§
second attempt (%) 88.5% 92.3%
third attempt (%) 78.3% 100%§
Duration for glottis Exposure (s) 81 ± 27 50 ± 19*
Grade 1 for glottis exposure (n (%)) 24 (32%) 70 (94.6%)*
Grade 2 for glottis exposure (n (%)) 46 (61.3%) 4 (5.4%)*
Requirement for optimization maneuver (n (%)) 25 (33.7%) 0*
Duration for Intubation (s) 96 ± 22 68 ± 21*
Intubation Difficulty NRS cu1-5) 2.8 ± 0.6 2.2 ± 0.7§
  1. Data are given as Mean ± SD.
  2. *P < 0.001 versus Macintosh group patients.
  3. §P < 0.05 versus Macintosh group patients.