LT group
(n = 100)
PLA group
(n = 100)
P value
Device size (3/4/5) 0/57/43 51/49/0 NS
Number of insertions (1/2) 96/4 88/12 NS
Insertion time (seconds) 25.57±7.48 31.8±13.8 NS
Oropharyngeal leak pressure (cm H2O) 24±3.14 32±2.3 <0.001
ETCO2 (mmHg) 39±4 36±4 NS
Data are mean ± SD or number of patients
LT: Laryngeal tube
PLA: Perilaryngeal airway
ET CO2 : End tidal CO2
Table 2: Assessment of device placement and ventilation.