Determination of indirect reference intervals of vitamin B12 for outpatients admitted to primary healthcare centers

Abstract

Vitamin B12 deficiency is still an important nutritional problem worldwide. There is no consensus on the reference intervals (RIs) for vitamin B12. In order to establish vitamin B12 RIs, we used the database obtained from a primary healthcare organization and estimated region-specific intervals.

Keywords

• deficiency
• primary health care
• reference intervals
• vitamin b12 deficiency