Table 2 Primary and secondary outcomes results *Values expressed as medians and interquartile range

Duration of severe hypoxemia, seconds*

10 (0, 62.5)

5 (0, 45)

0.45

Duration of hypoxemia, seconds*

235 (82.5, 340)

90 (20, 187.5)

0.04

Duration of procedure, seconds*

271 (57.5, 418.5)

94 (62, 215.5)

0.27

Maximum increase in mean BP from baseline, mm Hg*

18 (9, 24.25)

20 (11.75, 28)

0.65

Number of attempts, n*

2 (1, 3.5)

1 (1, 2.5)

0.34

Intubation achieved at first attempt, n

7

9

0.49

Intubation needing rescue intubator, n

7

4

0.27

Bradycardia during procedure, n

16

12

0.175