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Table 3 The diagnostic values for prediabetes and diabetes based on HbA1c

From: Chronotype, chrononutrition and glucose tolerance among prediabetic individuals: research protocol for a prospective longitudinal study Chrono-DM™

 

Normal

Pre-diabetes

Diabetes

HbA1c

 < 5.6% (38 mmol/mol)

5.6–6.2% (38–44 mmol/mol)

 ≥ 6.3% (45 mmol/mol)

  1. A repeated A1c should be done 4 weeks after the first positive test for asymptomatic patients
  2. In symptomatic individuals, a single positive test is sufficient
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BMC Primary Care

ISSN: 2731-4553

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