From: Effect of intravenous lidocaine on the ED50 of propofol for inserting gastroscope without body movement in adult patients: a randomized, controlled study
Group L (n = 30)
Group C (n = 29)
P value
Propofol sedation
SpO2 > 95%
28
20
0.039
SpO2 ≤ 95%
2
9
SpO2 > 90%
29
1.000
SpO2 ≤ 90%
1
Endoscope insertion
No-movement
14
12
0.795
Movementa
16
17
Lidocaine toxicity reaction
0
–