Table 2

Mask leak and delivered ventilation comparing single and two person mask ventilation with NP

Single personTwo persons
Mean95% CIMean95% CIDifference95% CI
Mask leak (%)22.211.4 to 33.19.14.4 to 13.813.1**3.6 to 22.6
PIP cm H2O16.616.1 to 17.216.816.6 to 17.1−0.2−0.6 to 0.2
PEEP cm H2O3.53.2 to 3.83.83.5 to 4.2−0.3*−0.6 to −0.1
TV expiratory (ml)21.719.4 to 24.123.820.9 to 26.7−2.1−5.1 to 1.0
Respiratory rate52.348.5 to 56.157.451.4 to 63.3−5.1−10.2 to 0.1
Inspiratory time (s)0.50.4 to 0.60.50.4 to 0.50.0−0.1 to 0.1
MAP cm H2O9.08.4 to 9.69.28.4 to 10.0−0.2−0.7 to 0.3
  • * p<0.05;

  • ** p<0.01.

  • MAP, mean arterial blood pressure; NP, Neopuff; PEEP, positive end-expiratory pressure; PIP, peak inspiratory pressure; TV, tidal volume.