COVID-19 and dysnatremia: A comparison between COVID-19 and non-COVID-19 respiratory illness.

Objective: To investigate the occurrence of disorders of water and sodium balance in COVID-19 in our clinic.

Methods: In this retrospective chart review, patients were included if a polymerase chain test result for SARS-CoV-2 was obtained and if at least one plasma sodium concentration measurement was obtained during the period from March to June 2020. The occurrences of hyponatremia and hypernatremia were compared between 193 SARS-CoV-2-positive and 138 SARS-CoV-2-negative patients.