Risk factors of hospitalization and readmission of patients with COPD exacerbation--systematic review.

Int J Chron Obstruct Pulmon Dis · 2007 · PMC2695199 · PMID 18229562

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did not reach statistical significanceno p-value reported

LTOT was also associated with a higher risk of readmission for COPD in a study by Garcia-Aymerich, but this did not reach statistical significance ( Garcia-Aymerich et al 2003 ).

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