We welcome the opportunity of responding to Dr Chattopadhyay et al and elaborating on the rationale for using HbA1c and fasting plasma glucose (FPG) assessments in this study1.
HbA1c has increasingly been used as a diagnostic test for diabetes mellitus (DM) and a screening test to identify subjects at high risk of DM2. HbA1c measurement can be performed at any time of the day and does not require the patient to be fasting, making it an appropriate test in routine clinical settings. Although the oral glucose tolerance test (OGTT) is said to be more sensitive ...
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