Demographics, clinical characteristics, and outcomes in hospitalized patients during six waves of COVID‑19 in Northern Iran: a large cohort study.

Sci Rep · 2023 · PMC10728067 · PMID 38110656

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a decreasing trendno p-value reported

Therefore, a decreasing trend in the mortality rate of patients was observed over the course of the study, while the highest mortality rate was recorded in the first wave of SARS-CoV-2.

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