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

Table 2

Emergent management in the treatment groups.

	Group A	Group B		P value
Subjects,	127	130	—	—
Emergent management	17 (13.39%)	41 (31.54%)	80.411	<0.001
Raising the mandible	14 (11.02%)	41 (31.54%)	88.251	<0.001
Hyperbaric oxygen supply	17 (13.39%)	40 (30.77%)	82.447	<0.001
Use of simple respirator	10 (7.90%)	25 (19.2%)	138.068	<0.001
Use of ventilator	0 (0.00%)	1 (0.01%)	—	—

⁢ (%), unless indicated otherwise.