Determination of reference intervals of HbA1C (DCCT/NGSP) and HbA1C (IFCC) in adults.

Objective: To establish HbA1C reference intervals according to DCCT/NGSP (HbA1C DCCT/NGSP) and IFCC (HbA1C IFCC) in adults.

Study Design: The study was a descriptive study.

Material And Method: The study was done in 144 subjects, with 99 males and 45 females, aged between 19 to 78 years old.