Impact of ceiling of care on mortality across four COVID-19 epidemic waves in Catalonia: a multicentre prospective cohort study.

BMJ Open · 2025 · PMC12128439 · PMID 40447435

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did not reach statistical significanceno p-value reported

In patients without ceiling of care, the effect was also similar, but as the sample size of the cohort with complete data was smaller, the OR for the second and third waves did not reach statistical significance.

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