Table 4 Significant deviations from the DAS protocol and other results during CICV scenario

Attempted more than 3 laryngoscopies, n (%)

14 (58%)

4 (17%)

6 (32%)

Odds ratio, OR [95CI], p-value

7 [1.8–26.8], p = 0.006

3.9 [1.06–14.4], p = 0.035

Skipping the attempt of supralaryngeal devices, n (%)

11 (46%)

2 (9%)

3 (16%)

Odds ratio, OR [95CI], p-value

8.6 [1.7–44.9], p = 0.008

4.2 [0.96-18], p = 0.058

Skipping a call for help, n (%)

11 (46%)

2 (9%)

2 (11%)

Odds ratio, OR [95CI], p-value

8.6 [1.7–44.9], p = 0.008

8.6 [1.7–44.9], p = 0.008

Failure to initiate surgical airway placement, n (%)

19 (79%)

4 (17%)

6 (32%)

Odds ratio, OR [95CI], p-value

-

19 [4.4–81.5], p = 0.0003

8 [2-32.7], p = 0.002

Other results

Average time to call for help, s

106.6 ± 10.5¹

91.2 ± 2.92

91.9 ± 3.5

Time to cricothyroidotomy initiation, s

456 ± 47.8¹

258 ± 68.7

250 ± 62.2

Median duration of desaturation < 90%, s

180 [160–200]²

107 [100–111]

101.5 [96-101.5]

Successful cricothyroidotomy incidence

3/16

18/2

16/2

Odds ratio, OR [95CI], p-value

-

OR 0.02 [0.003–0.14], p < 0.0001

OR 0.02 [0.003–0.16]

Improper use of equipment, n (%)

9 (38%)

2 (8%)

1 (5%)

-

6.6 [1.25–34.9], p = 0.036

10.8 [1.2–95.2], p = 0.026