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Table 2 Vitamin C results in COVID-19 patients. Values are expressed as mean and standard deviation. Categorical values are expressed as frequency (percentage)

From: COVID-19: Up to 82% critically ill patients had low Vitamin C values

Vitamin C status

n = 67

Low values (0.1–0.4 mg/dL)

   N (%)

43 (64.2)

  Mean (SD)

0.14 (0.05)

Undetectable values (< 0.1 mg/dL)

  N (%)

12 (17.9)

Low & Undetectable values

  N (%)

55 (82)

Normal values (normal range: 0.4–2 mg/dL)

  N (%)

12 (17.9)

  Mean (SD)

0.59 (0.18)