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Table 3 The number of patients categorized as having normoglycaemia, intermediate hyperglycaemia and DM according to HbA 1c aversus OGTTbresults, and the distribution of patients within the different glycaemic categories

From: HbA1c versus oral glucose tolerance test as a method to diagnose diabetes mellitus in vascular surgery patients

   HbA1ca
OGTTb Subjects Normo-glycaemia (%) Intermediate hyperglycaemia (%) Diabetes mellitus (%)
Total 275 42 (15.3) 193 (70.2) 40 (14.6)
Normoglycaemia 152 27 (17.8) 120 (79.0) 5 (3.3)
Intermediate hyperglycaemia 90 13 (14.4) 57 (63.3) 20 (22.2)
Diabetes mellitus 33 2 (6.1) 16 (48.5) 15 (45.5)
  1. a HbA1c ≥ 6.5% (48 mmol/mol) = diabetes mellitus, HbA1c range of 5.7-6.4% (39-46 mmol/mol) = intermediate hyperglycaemia, and HbA1c < 5.7% (39 mmol/mol) = normoglycaemia.
  2. b FPG + 2-h value. DM = FPG ≥ 7.0 mmol/l and/or two-h value ≥ 11.1 mmol/l. Intermediate hyperglycaemia = IGT defined as FPG < 7.0 mmol/L and a 2-h-value between 7.8 mmol/L and 11.1 mmol/L, and IFG defined as fasting glucose value between 6.1 mmol/L and 7.0 mmol/L with a normal 2-h-value. Normoglycaemia = FPG < 6.1 mmol/L and a 2-h-value < 7.8 mmol/L.
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Cardiovascular Diabetology

ISSN: 1475-2840