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Table 2 A learning effect favouring the second ETI used

From: A randomised crossover comparison of two endotracheal tube introducers: the FROVA and the Flexible Tip Bougie for GlideScope intubation of a difficult airway manikin by infrequent intubators

Median times in seconds

All participants (n = 24)

ETI type

ETI time**

ETT time

Total time**

ETI difficulty**

ETT difficulty*

 FTB

15

20

37.5

2

3

 FROVA

36.5

16

63

5

4

FROVA ETI first group (n = 12)

ETI type

ETI time**

ETT time

Total time**

ETI difficulty*

ETT difficulty*

 FTB

11

18.5

29.5

2

2.5

 FROVA

41

16

74

5

5

FTB ETI first group (n = 12)

ETI type

ETI time**

ETT time

Total time

ETI difficulty*

ETT difficulty

 FTB

20

20.5

38.5

2

3

 FROVA

36.5

14.5

54

5

3.5

  1. **P < 0.01; *P < 0.05