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What Is The Gold Standard For Diagnosing Diabetes?

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The Glucose Tolerance Test, But Not Hba(1c), Remains The Gold Standard In Identifying Unrecognized Diabetes Mellitus And Impaired Glucose Tolerance In Hypertensive Subjects.

Cardiac Research Unit, Cardiology Department, Central Middlesex Hospital, London, United Kingdom. [email protected] The objective of this study was to compare the value of the oral glucose tolerance test (GTT), glycated hemoglobin concentration (HbA(1c)), and fasting plasma glucose (FPG) for identifying unrecognized diabetes mellitus (DM) and impaired glucose tolerance (IGT) in hypertensive subjects. One hundred forty-four consecutive subjects who were not known to have DM and who were attending the Hypertension Clinic underwent 24-hour ambulatory blood pressure (BP) monitoring. A GTT and an HbA(1c) measurement were also carried out. Abnormal results from GTT were found in 94 patients (65%). Results from FPG were not different between those with DM and IGT but were significantly higher than in the euglycemic subjects. The FPG was between 110-125 mg/dL (6.1-6.9 mmol/L) in 31% (n = 20) of patients with IGT and in 53% (n = 16) of those with DM. With use of the previously published criteria to diagnose DM of FPG > or = 103 mg/dL (5.7 mmol/L) and HbA(1c) > or = 5.9%, 33% of our diabetic subjects and 75% of those with IGT would have been misclassified as euglycemic. The previou Continue reading >>

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Popular Questions

  1. PetiePal

    Long story short... Type 2 for about 5 years. On metformin 1000 2x a day and glimepiride/amaryl 2mg 2x a day. I have been waking up with out of control morning sugars in the morning at 200-266. Has never happened before.
    Doc is holding off for a month to see. I have papers for a urinalysis and blood work but I'm an IT project manager contractor since January and have no health insurance. (apparently not eligible to sign up for ObamaCare since it's not in the enrollment period?)
    My doc visits are about $150 which is doable. But are the blood work etc going to be 2-3k? I'm getting my oral meds scot free from a local supermarket chain which is great but they're not working. If I had to go on insulin or some injectable I'd likely be price screwed.
    Advice?

  2. harper64

    You might want to check out http://www.walkinlab.com/. They offer deep discounts on a lot of routine testing.

  3. [deleted]

    I use LabCorp or something like that - out of pocket, under $100 for the same diabetes panel that cost over $1500 at the hospital I work at. Do some research - you can save a ton of cash. And I paid using my HSA!

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