Group DS (n=51)

Group GA (n=27)

P value

Overall complication rate

19 (37.3)

4 (14.8)

0.039*

Sedation related complication

18 (35.3)

4 (14.8)

0.056

 Respiratory system

4 (7.8)

0

0.135

 Hypoxia

1 (2.0)

0

0.464

 Upper airway obstruction

3 (5.9)

0

0.199

 Cardiovascular system

14 (27.5)

4 (14.8)

0.208

 Hypotension

11 (21.6)

3 (11.1)

0.252

 Bradycardia

3 (5.9)

0

0.199

 Tachycardia

0

1 (3.7)

0.167

Procedure related complication

 Bleeding

1 (2.0)

0

0.464

Anesthetic personnel

0.315

 Residents

28 (54.9)

18 (66.7)

 Anesthetic nurses

23 (45.1)

9 (33.3)

Mortality rate

0

0

1.000