Table 1.

Demographics and anesthetic data in the two groups

	Group C n = 83	Group A n = 85	P value
Gender (male/female)	44/39	49/36	0.55
Age (years)	36 ± 13	36 ± 17	0.97
Weight (kg)	66 ± 11	64 ± 12	0.58
Height (cm)	167 ± 8	167 ± 9	0.85
BMI (kg/m2)	24.1 ± 5.3	23.2 ± 4.7	0.89
ASA (1/2)	67/16	70/15	0.79
Mallampati class (1/2)	75/8	71/14	0.19
Device size (3/4)	55/28	55/30	0.83
Duration of ventilation (min)	54 ± 21	57 ± 24	0.56

Data are expressed as mean ± SD and numberCuff pressure was set to 60 cmH₂O (group C) or adjusted to minimal seal-up pressure +5 cmH₂O (group A)