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Many patients with hypertension suffer from impaired glucose tolerance or type 2 diabetes mellitus. Although these diagnoses are generally simple and reliable, it is more difficult to diagnose impaired glucose tolerance. As the gold standard (oral glucose tolerance test (OGTT)) is complicated to perform, a simpler alternative would be useful. The aims of the Pre-Diabetes Score study are to correlate demographic and/or laboratory parameters that are clinically simple to determine with the results of the OGTT and to determine the diagnostic significance of the combinations of parameters with regard to impaired glucose tolerance. A total of 260 patients were included in the evaluation; 39% had impaired glucose tolerance and 12% had diabetes mellitus. A combination of HbA1c of≥6%, a venous fasting glucose of≥110 mg/dl, an age of≥55 years, a systolic blood pressure of≥140 mmHg and an enlarged waist size is highly predictive of impaired glucose tolerance. [ABSTRACT FROM AUTHOR]

Presents a letter to the editor about a prospective multicentre trial on the diagnosis of impaired glucose tolerance in non-diabetic patients with hypertension.