Time to start of ventilation, ventilation time, assistance by supervisor and conversion to alternative device by trial arm
| LMA (intervention) n=24 Mean (SD) | Face mask (comparator) n=25 Mean (SD) | p Value | Effect of the intervention Mean ratio (95% CI) | |
| Start of PPV (s) | 60 (11) | 68 (36) | 0.26 | 0.88 (0.70 to 1.10) |
| Ventilation time (s) | 93 (52) | 140 (90) | 0.02 | 0.67 (0.47 to 0.93) |
| n (%) | n (%) | OR (95% CI) | ||
| Assistance from the supervising physician | 3 (13) | 6 (24) | 0.46 | 0.46 (0.07 to 2.52) |
| Conversion to alternative device | 0 | 11 (44) | 0.0002 | 0.00 (0.00 to 0.29) |
PPV, positive pressure ventilation.