Rapid Review Quiz: Vitamin D

Romesh Khardori, MD

Disclosures

September 06, 2022

Researchers assessed vitamin D levels of more than 250 patients hospitalized between April 2020 and February 2021 with a positive COVID-19 test. Testing for vitamin D levels was part of routine bloodwork or for vitamin D deficiency, and it was conducted both before hospitalization and 14-730 days before a positive polymerase chain reaction (PCR) test. Patients with a vitamin D deficiency were 14 times more likely to have a severe or critical case of COVID-19. They also had a much higher mortality rate of 25.6% compared with 2.3% in patients with normal levels. These differences remained after controlling for gender, age, BMI, and comorbidities.

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