Long-term survival for COPD patients receiving noninvasive ventilation for acute respiratory failure.

Int J Chron Obstruct Pulmon Dis · 2013 · PMC3640597 · PMID 23650445

Europe PMC DOI

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0.2500

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The sentences

showed a trendP = 0.25not close (p > 0.1)

Women showed a trend towards better survival than men (25.7% vs 19.2%, P = 0.25), and the trend was even more pronounced for patients with COPD.

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