English to Polish Medical Medical: Cardiology

For the effect of treatment on the time until the objective criteria for extubation were met, previous experience suggested that the average time to extubation was about 6 days (3•4). We required a 30% reduction (about 2 days) in the time to reach the criteria for weaning. To detect these reductions with 80% power at a two-sided significance of 0•05, we needed to recruit 136 and 112 infants for these study endpoints, respectively.

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