Table 2 Differences of mask ventilation performance between saline and rocuronium groups

Needed breaths for plateaued-capnogram

14 (1, 16)

8 (1.5, 16)

0.779

Number of patients achieving plateaued-capnogram in one minute: n (%)

11 (52%)

9 (53%)

1

Needed breaths for TV > 5 ml kg-IBW⁻¹

4 (1, 15)

2 (1, 8)

0.608

Number of patients achieving TV > 5 ml kg-IBW⁻¹ in one minute: n (%)

13 (62%)

16 (94%)

0.026

Nean TV change from breath 1 during one handed MV (ml kg-IBW⁻¹)

0.74 (0.53, 0.94)

4.44 (3.1, 4.7)

0.006

TV at 1st breath during one handed MV (ml kg-IBW⁻¹)

3.2 (0, 10.6)

3.4 (0, 6.6)

0.493

TV at 15th breath during one handed MV (ml kg-IBW⁻¹)

5.7 (1.6, 9.0)

8.1 (5.1, 11.5)

0.177

TV during two-handed MV (ml kg-IBW⁻¹)

7.7 (5.4, 11.1)

9.7 (7.8, 12.4)

0.15

Number of patients achieving TV > 5 ml kg-IBW⁻¹ with two-handed MV: n (%)

17 (81%)

15 (88%)

0.672

TV through tracheal tube (ml kg-IBW⁻¹)

9.3 (6.5, 10.3)

8.9 (6.2, 9.8)

0.378

Number of patients achieving TV > 5 ml kg-IBW⁻¹ under tracheal intubation: n (%)

20 (95%)

15 (88%)

0.577