en: The frequency of iron deficiency (ferritin <15 µg/l) in new blood donors was 11%; 1% in men and 22% in women.
is: Hjá nýskráðum blóðgjöfum var tíðni járnskorts (ferritín <15 µg/l) 11%, nánar tiltekið 1% hjá körlum og 22% hjá konum.