Table 1

HbA1c results in patients with haemoglobin (Hb) variants

HbA1c
Haemoglobin variantVariant IIHA-8140DCA 2000FructosamineFasting blood glucose
Variant II, HPLC variant II (Bio-Rad); HA-8140, HPLC high-auto A1c HA-8140 (Menarini); DCA 2000, immunoagglutination DCA 2000 (Bayer); Abnormal sep, abnormal separation; variant Hb, variant haemoglobin.
HPLC, high performance liquid chromatography.
Non-diabetic reference range4.7–6%4.5–5.7%4.5–5.7%<285 μmol/l<6.1 mmol/l
Hb Graz 1No resultAbnormal sep5.946611.8
Hb Graz 2No resultAbnormal sep5.233410.6
Hb Sherwood ForestNo resultAbnormal sep4.62385.5
Hb D4.89.1 (variant Hb)5.73026.5
Hb O Padova 14.96.8 (variant Hb)4.52516.0
Hb O Padova 29.510 (variant Hb)8.83385.2