Table 2.

Airway and ventilation profile

Successful insertion LMA, n (%)
1st attempt;	23 (88.5%)
2nd attempt;	3 (11.5%)
Resistance on insertion of airway, n (%)
No or minimal;	25 (96.2)
Moderate;	1 (3.8)
Time to successful airway placement; sec	19 (17-21 [14-58])
Volume of air to achieve intra-cuff pressure of 60 cm H2O; ml	15 (15-17 [13-18])
Vocal cord visibility under fibre-optic inspection, n (%);
Grade 1;	26(100%)
Grade 2;	0 (0%)
Grade 3;	0 (0%)
Successful gastric tube insertion, n (%)
1st attempt;	24 (92.4%)
2nd attempt;	1 (3.8%)
Not possible;	1 (3.8%)
Suprasternal notch test, n (%)
Positive;	26 (100%)
Negative;	0 (0%)
Oropharyngeal leak pressure; cm H2O	25.2 (23-29 [21-30])

The data are represented as number (% percentage) or median (IQR [range])