What is the aetiology of dysnatraemia in COVID-19 and how is this related to outcomes in patients admitted during earlier and later COVID-19 waves? A multicentre, retrospective observational study in 11 Dutch hospitals.

BMJ Open · 2023 · PMC10649520 · PMID 37963704

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did not reach statistical significanceno p-value reported

Although there was a trend towards increased mortality in patients with severe hyponatraemia, these results did not reach statistical significance due to the low number of patients that presented with sodium levels ≤125 mmol/L ( online supplemental table 4 ).

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