Table 2 Data from the cervical immobilization scenario

Overall Success Rate (%)

21/21 (100)

21/21 (100)

20/21 (95)

P = 0.362

Duration of 1^st intubation

10 (7, 14)

9 (6, 20)

17 (11, 48)

P = 0.058

attempt in seconds

(median, IQR) [Range]

[3 to 60]

[4 to 60]

[6 to 60]

Number of Intubation Attempts (%)

   1

18 (85.7)

18 (85.7)

16 (76.2)

P = 0.562

   2

3 (14.3)

2 (9.5)

2 (9.5)

   3

0

1 (4.8)

3 (14.3)

No of Optimisation Manoeuvres

   0

9 (42.9)

15 (71.4)*

0*

P < 0.001

   1

9 (42.9)

6 (28.6)

17 (81)

   >1

3 (14.2)

0

4 (19)

Severity of Dental Compression (%)

   0

0

11 (52.3)*

0

P < 0.001

   Mild [+]

10 (47.6)

9 (42.9)

12 (57.1)

   Severe [++]

11 (52.4)

1 (4.8)

9 (42.9)