SPO₂ (%)

Group C

Group K

GROUP D

p-value

After extubation

99.6 ± 0.57

99.68 ± 0.55

99.48 ± 0.87

0.58

Before leaving OR

99.72 ± 0.59

99.72 ± 0.67

99.44 ± 0.82

0.25

On arrival to PACU

99.64 ± 0.56

99.4 ± 0.86

99.16 ± 1.02

0.13

10 min.

99.64 ± 0.63

99.48 ± 0.96

99.72 ± 0,67

0.53

20 min.

99.6 ± 0.76

99.72 ± 0.73

99.4 ± 0.76

0.31

30 min.

99.52 ± 0.82

99.8 ± 0.5

99.28 ± 0.97

0.07