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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)