Propofol Combined with Fentanyl Is Superior to Propofol Alone in Sedation Protocols for Painless Gastrointestinal Endoscopy

Table 2

Preoperative and intraoperative heart rate and blood oxygen saturation of patients receiving sedation with propofol plus fentanyl or propofol alone during painless gastrointestinal endoscopy.

	Heart rate (times/min)		Blood oxygen saturation (%)
	Preoperative	Intraoperative	Preoperative	Intraoperative
Observation group ()
Control group ()
	1.055	27.023	1.192	10.031
	0.293	0.0001	0.235	0.0001