NDNS65+: Prevalence of Vitamin A Deficiency
Percentage of Population with a plasma Retinol < 0.7mmol/l
•WHO lower end of normality, plasma level < 0.7 mmol/
•Plasma retinol levels may be temporarily lowered as a result of infection and the acute phase response
•Severe deficiency, plasma <0.35 mmol/l, is very rare