Acta paediatrica
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The results of a clinical trial may be subject to random error because of the variability in the measured data, which arises purely by chance. There are two types of random error - type I error and type II error. In this study, type I and type II errors are explained, and the important concepts of statistical power and sample size estimation are discussed. ⋯ The most important way of minimising random errors is to ensure adequate sample size; that is, a sufficient large number of patients should be recruited for the study.
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We tested whether operators using manometers attached to self-inflating bags could accurately deliver set targeted peak inspiratory pressures (PIPs) compared to the Neopuff(™) T-piece resuscitator (TPR). ⋯ Accurately targeted PIPs can be achieved when a manometer specifically designed for use on a self-inflating bag is used during manual ventilation. This may be useful in settings where access to a Neopuff(™) TPR or a gas flow source is limited.