Table 2 Adverse events and interruptions during the procedure

Respiratory depression(n)% ^a

24 (12.06%)

12 (5.97%)

1.04–3.93

2.16

subclinical respiratory ^a depression(n)% ^a

10 (5.03%)

6 (2.99%)

0.86–1.88

1.72

hypoxia(n)% ^a

14 (7.04%)

6 (2.99%)

1.06–1.95

2.46

minor risk hypoxia(n)% ^a

9(4.52%)

5(2.49%)

0.87–1.96

1.86

severe risk hypoxia(n)% ^a

5(2.51%)

1(0.50%)

1.17–2.45

1.69

18-65y Age-related Respiratory depression(n)% ^a

15(11.36%)

7(5.26%)

1.04–1.94

2.31

66-80y Age-related Respiratory depression(n)% ^a

9(13.43%)

5(7.35%)

0.87–2.07

1.96

Correction of hypoxia(n)% ^a

24 (12.06%)

12 (5.97%)

1.04–3.93

2.16

Method I(n)% ^a

12 (6.03%)

8 (3.98%)

0.84–1.77

1.55

Methods I + II(n)% ^a

4 (2.01%)

1 (0.50%)

1.03–2.54

1.62

Methods I + II + III(n)% ^a

6 (3.02%)

3 (1.49%)

0.84–2.17

2.05

Methods I + II + III + IV(n)% ^a

2 (1.01%)

0 (0.00%)

1.83–2.23

2.02

Surgical interruptions(n)% ^a

45 (22.61%)

30 (14.93%)

1.02–1.57

1.27

The score for patient movement(points)^b

9.61 ± 1.01

9.59 ± 1.07

-0.23–0.25

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