C group N=37 | W group N=37 | p Value | |
---|---|---|---|
Number of attempts required for successful ventilation 1/2/3/fail | 35/1/0/1 | 35/2/0/0 | 0.51 |
Sealing pressure on successful ventilation (cm H2O) | 20.7±6.1 | 22.6±6.1 | 0.15 |
Number of patients with hoarseness | 0 | 0 | 1.00 |
Number of patients with pharyngeal pain | 1 | 1 | 1.00 |
Data are presented as mean±SD or number of patients.
C group: i-gel kept at room temperature; W group: i-gel prewarmed to 42°C.