Meta-regression analysis of high-frequency ventilation vs conventional ventilation in infant respiratory distress syndrome.

Intensive Care Med · 2007 · PMC1915647 · PMID 17323050

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a clear trendno p-value reported

Discussion Our meta-regression analysis showed a clear trend of decreasing differences in pulmonary outcome between HFV and CMV in randomized trials conducted in premature neonates with IRDS over the years.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.