Table 2 Secondary outcomes of the study

Time to loss of consciousness, s

40[35–48]

55[45–70]

< 0.001

Number of airway modifications, times

1[0–2]

0[0–2]

0.645

Time to the first airway intervention, s

76.50[55.7–163.75]

61.50[30.00–78.75]

0.137

Number of sedation-related events, times

24

23

0.896

Time to awakening, min

7.57 ± 2.39

7.79 ± 2.45

0.673

Pain scores, awake (VAS > 0)

4

8

0.198

Patients’ satisfaction scores

10.0[9.0–10.0]

9.0[10.0–10.0]

0.118

Endoscopists’ satisfaction scores

9.6[9.5–10.0]

9.6[9.5–10.0]

0.698

Memory level

0.749

 0, no memory

36

34

 1, memory only at the end

6

8

 2, multiple memories

2

1

 Dizziness

11

4

0.053

 Nausea/vomiting

1

0

> 0.999