It means, Among those without deficiency who are hospitalized, only 3% die;
Patients that are hospitalized with a Vitamin D deficiency, 26% died.
Patients with insufficient D are also 14 times likelier to end up in severe or critical condition, research shows
Covid hospitalization rates in the US are about .86% of confirmed cases.
70% of the hospitalizations are clinically obese.
On average those hospitalized have at least 4 co-morbidities.
Out of that how many are suffering from chronic Vitamin D deficiency? Don’t know, but prior studies have shown acute Vitamin D deficincies in the US population.
The overall prevalence rate of vitamin D deficiency was 41.6%, with the highest rate seen in blacks (82.1%), followed by Hispanics (69.2%). Vitamin D deficiency was significantly more common among those who had no college education, were obese, with a poor health status, hypertension, low high-density lipoprotein cholesterol level, or not consuming milk daily
https://pubmed.ncbi.nlm.nih.gov/21310306/
Remember They also determined that hospitalized patients who were vitamin D deficient were 14 times more likely, on average, to end up in severe or critical condition than others.