From: Determination of the appropriate propofol infusion rate for outpatient upper gastrointestinal endoscopy-a randomized prospective study
Variable
500 ml/h
1000 ml/h
2000 ml/h
Pain during injection
7 (7.4)
10 (10.3)
9 (9.2)
Patients’ VAS
9.5 ± 0.6
9.8 ± 0.4*
9.7 ± 0.5**
Endoscopist’s VAS
8.0 ± 0.8
9.3 ± 0.9*
9.4 ± 0.8*