A systematic review and meta-analysis of geographic differences in comorbidities and associated severity and mortality among individuals with COVID-19.

Sci Rep · 2021 · PMC8058064 · PMID 33879826

Europe PMC DOI

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a decreasing trendno p-value reported

an increasing trendno p-value reported

An increasing trend in mortality proportion was observed with higher age groups in COVID-19 patients with CVD, malignancy, and one comorbidity whereas a decreasing trend in mortality proportion was noticed in CKD patients (Table 2 ).

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showed a trendno p-value reported

Preliminary evidence showed a trend towards the slower spread of COVID-19 in countries where the national Bacillus Calmette–Guérin vaccine policy is current for all 48 .

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.