Comorbidities and Risk Factors for Severe Outcomes in COVID-19 Patients in Saudi Arabia: A Retrospective Cohort Study.

J Multidiscip Healthc · 2021 · PMC8367214 · PMID 34408431

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showed a trendno p-value reported

Kaplan-Meier survival analysis curve showed a trend that survival time was shortest in patients in age-group 50–59 years, although not significantly different from other age-groups ( Figure 1A – E ).

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