Comparison of Nasopharyngeal Airway Device and Nasal Oxygen Tube in Obese Patients Undergoing Intravenous Anesthesia for Gastroscopy: A Prospective and Randomized Study

Table 3

Anesthetic dose, duration of gastroscopy, and recovery time of the treatment groups.

	Group A	Group B		P value
Propofol, mL	12.76 ± 3.50	12.50 ± 3.49	0.570	0.972
Duration of gastroscopy, s	304.53 ± 70.97	303.46 ± 72.49	0.120	0.359
Recovery time, s	140.16 ± 59.84	139.74 ± 69.11	0.052	0.065