Group

Neutral position

Sniffing position

P value

Mean

SD

Minimum

Maximum

Mean

SD

Minimum

Maximum

Base line SO2

99.12

1.04

96.00

100.00

98.74

3.72

78.00

100.00

0.573

After induction SO2

99.47

0.66

98.00

100.00

99.43

0.88

97.00

100.00

0.824

Before intubation SO2

99.56

0.50

99.00

100.00

99.54

0.66

98.00

100.00

0.910

After intubation SO2

99.00

1.41

95.00

100.00

99.11

1.28

95.00

100.00

0.726

1 min SO2

99.53

0.56

98.00

100.00

99.40

0.77

97.00

100.00

0.431

3 min SO2

96.94

15.55

9.00

100.00

99.46

0.70

98.00

100.00

0.342

5 mn SO2

99.59

0.50

99.00

100.00

99.51

0.66

98.00

100.00

0.602

10 min SO2

99.56

0.56

98.00

100.00

99.49

0.70

98.00

100.00

0.635

15 min SO2

99.59

0.50

99.00

100.00

99.49

0.70

98.00

100.00

0.486