Table 2.

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

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)