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. 2012 Mar 14;27(2):209. doi: 10.1007/s12291-012-0198-7

Table 1.

Effect of blood additives on HbA1C level (as % of total Hb)

EDTA Heparin Citrate Fluoride
Normal Sample 1 5.6 5.6 5.6 5.6
Normal Sample 2 5.5 5.6 5.5 5.5
Normal Sample 3 5.9 5.9 5.8 5.9
Normal Sample 4 5.6 5.7 5.6 5.6
Diabetic Sample 1 10.1 10.1 10.2 10.1
Diabetic Sample 2 9.7 9.6 9.6 9.6