Table 3.

Adverse events during operation, during awakening and in 3 days after operation.

	SGA plus BB n = 60	ETT plus BB n = 60	P Value*
Adverse events
During operation
Hypoxemia	4/60 (6.7%)	6/60 (10.0%)	0.107
Hypercapnia	5/60 (8.3%)	3/60 (5.0%)	0.112
During awakening
Laryngospasm	0/60	0/60
Stridor	0/60	0/60
Airway obstruction	0/60	0/60
In 3 days after operation
Hoarseness	0/60	5/60 (8.3%)	0.036

Values are expressed as number of patients/total patients (%).

Hypercapnia here specifically refers to the partial pressure of CO₂ greater than 80 mmHg in such specific clinical context.

*P values indicate differences between SGA plus BB and ETT plus BB patients. P < 0.05 was considered statistically significant.

Abbreviations: SGA, supraglottic airway; ETT, endotracheal tube; BB bronchial blocker.