Table 4

Overall Device assessment by Participants.

Parameter Assessed

Macintosh

Glidescope^®

AWS^®

P value

Overall Difficulty of Use Score

4.3 ± 2.0*

2.9 ± 2.1

2.6 ± 2.1

P = 0.01

Overall Confidence with each device

7.4 ± 1.5

7.1 ± 2.4

7.8 ± 2.6

P = 0.52

Notes: Data are reported as mean ± SD or as number (percentage).

* Significantly [P < 0.05] different compared to both other groups

Nasim et al. BMC Emergency Medicine 2009 9:9   doi:10.1186/1471-227X-9-9