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Table 2 Participants’ meantimes to successful intubation (seconds(SD) [medians])

From: Comparison of five video-assisted intubation devices by novice and expert laryngoscopists for use in the aeromedical evacuation environment

Condition Name of devices K-W P-value
Airtraq AWS C-MAC Coopdech GlideScope
Novice group
 NAL Stanchion 14.1 (7.5)[12.5] 15.0 (13.1)[15.0] 17.9 (29.8)[10.4] 14.0 (9.9)[10.9] 17.1 (11.6)[14.1] 0.790
 NAL Ground 9.3 (4.6)[9.0] 13.4 (13.5)[9.2] 31.6 (33.0)[16.4] 20.1 (34.7)[11.8] 17.9 (13.6)[13.1] 0.002
 DAL Stanchion 13.6 (7.6)[11.9] 10.8 (6.4)[8.9] 23.8 (30.1)[11.2] 19.8 (27.9)[1.1] 22.6 (21.6)[15.1] 0.010
 DAL Ground 42.8 (65.3)[14.5] 17.9 (12.4)[16.0] 48.4 (36.3)[39.5] 47.5 (37.4)[35.1] 34.3 (39.4)[22.0] <0.001
 DAB Stanchion 14.3 (7.6)[9.7] 8.5 (5.2)[6.9] 16.9 (11.3)[14.1] 24.3 (58.1)[10.4] 18.4 (16.4)[12.2] <0.001
 DAB Ground 23.0 (48.8)[11.2] 10.8 (6.7)[8.7] 31.0 (27.7)[25.4] 19.0 (18.8)[14.3] 19.8 (10.4)[17.4] <0.001
Expert group
 NAL stanchion 15.6 (10.5)[13.8] 20.5 (21.0)[13.9] 19.0 (46.3)[9.8] 23.2 (18.8)[15.9] 13.0 (9.1)[10.9] 0.410
 NAL ground 10.8 (6.3)[9.6] 12.0 (10.6)[8.4] 12.9 (7.8)[11.1] 14.0 (9.1)[10.8] 9.7 (3.3)[9.7] 0.760
 DAL stanchion 11.9 (5.6)[9.8] 12.2 (9.7)[9.8] 18.7 (14.5)[12.6] 14.7 (8.5)[11.5] 15.8 (9.3)[14.0] 0.350
 DAL ground 17.6 (7.6)[18.0] 30.1 (93.3)[10.9] 28.5 (21.9)[18.3] 38.0 (37.9)[22.4] 17.2 (5.7)[17.1] 0.011
 DAB stanchion 11.3 (6.0)[9.8] 11.6 (13.5)[6.5] 19.0 (22.5)[12.9] 12.5 (5.6)[10.9] 12.4 (5.2)[11.0] 0.033
 DAB ground 33.7 (67.7)[10.8] 16.2 (23.8)[11.1] 29.1 (22.9)[21.9] 26.6 (18.4)[17.4] 18.1 (15.8)[12.1] 0.029
  1. NAL Normal airway with lights on, DAL Difficult airway with lights on, DAB Difficult airway with blackout conditions
  2. All values are expressed in seconds (SD). P < 0.05 indicated statistical significance