A new study finds that most hospitalized COVID-19 patients were vitamin D deficient

Spanish researchers have determined that 82 percent of hospitalized COVID-19 patients in a recent study were vitamin D deficient. They studied vitamin D levels in 216 patients who were admitted to the hospital in March 2020 and found that 8 out of 10 patients were clinically deficient.

The study, which was published Tuesday, October 27 in The Journal of Clinical Endocrinology & Metabolism also analyzed a control group of 197 people in the same geographical area and with demographics that were similar to the COVID-19 patient group. Among the control group, 47 percent were vitamin D deficient.

It should be pointed out, however, that correlation does not imply causation. In other words, this study does prove that vitamin D deficiency increases the risk of hospitalization from COVID-19.

Vitamin D is crucial for proper skeletal strength, however, it is also postulated that it promotes a healthy immune system. There is a body of evidence that suggests that maintaining a sufficient level of vitamin D may offer a modicum of protection against respiratory infections.

A study published in Nutrition Research in 2011 estimated that 41.6 percent of Americans were vitamin D deficient. The study also found that the deficiency was race-dependent with 69.2 percent of Hispanics and 82.1 percent of Black Americans being vitamin D deficient.

The Spanish study is not the only one to propose that vitamin D could prevent adverse outcomes in hospitalized patients.

Recently, scientists at Boston University School of Medicine (BUSM) analyzed data from 235 COVID-19 patients who had been hospitalized. Researchers discovered that patients older than 40 were 51.5 percent less likely to die from the disease provided they had a sufficient level of Vitamin D. Nonetheless, the Spanish study was unable to provide a causal link between vitamin D deficiency and severity of the infection. Therefore, the data so far is inconclusive regarding the therapeutic benefit of vitamin D for the treatment of COVID-19.

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Charles Betzler

Charles Betzler

Long-time Sapulpa resident, Charles Betzler, followed his father, Charlie, into the radio and TV repair business. At age 9, he fixed his first broken radio and his first love is vintage audio equipment. In his 50 + years of technical work, graduation from OSUIT, and years of Continuing Education, Charles, in his capacity as Emergency Management Director of nearby city, designed the Emergency Operations Center, and the radio-activation system for the sirens. In his long career, he has repaired every type of consumer electronics from black-and-white TVs to the latest lap-top.