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A study conducted by Manisha et al., shows that the HbA1c cut off in newly diagnosed diabetic in north and south India is found to be ≥ 5.8% which is much lower than the proposed value by the international expert committee (≥6.5 %). They also depicts that a value of ≥ 5.5% or ≥ 5.6% defines IFG in Indian setting[32]. In this context we can at least assume that HbA1c cut off for Indian will vary from the ADA recommendation and though some study have provided some preliminary data, a pan Indian study suggesting the variation of HbA1c among the diverse ethnicity in India is to be conducted.
Not a standalone and perfectly reliable marker for diagnosing diabetes.
FBS and PPBS test results are also essential. Fasting insulin and lipids are also important for diagnosis.
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