Table 2.

Incidence of adverse events

Variable	P group (n = 28)	D group (n = 29)	M group (n = 30)	P value
Airway obstruction
1/2/3	15(53.6)/13(46.4)/0(0)	21(72.4)/8(27.6)/0(0)	29(96.7)/1(3.3)/0(0)*†	<0.001
Hypoxia	12(42.9)	4 (13.8)*	1(3.3)*	0.001
Spontaneous movement	10 (35.7)	1 (3.4)*	0 (0)*	<0.001
Cough	5 (17.9)	3 (10.3)	1(3.3)	0.16
Nausea	0 (0)	0 (0)	0 (0)	1.00
Vomiting	0 (0)	0 (0)	0 (0)	1.00
Agitation	6 (21.4)	0 (0)*	0 (0)*	0.001
Bradycardia requiring atropine	1 (3.6)	8 (27.6)*	0 (0)†	0.001
Hypotension requiring ephedrine	0 (0)	0 (0)	0 (0)	1.00

Values are numbers of patients (%)

*P < 0.05 compared to the P group, ^† P < 0.05 compared to the D group