Evaluation of 'care bundles' for patients with chronic obstructive pulmonary disease (COPD): a multisite study in the UK.

BMJ Open Respir Res · 2019 · PMC6561386 · PMID 31258918

Europe PMC DOI

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a clear, strong trendno p-value reported

Graphs displaying the monthly 28-day readmission rates for COPD (preindex date) over time by site showed no obvious trends for most sides, although for some there was a clear, strong trend of an increasing admission rate over the year (online supplementary figure 2 ).

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