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 |
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Oral
Glucose
Tolerance Test
|
Criteria (mg/dL) |
| Fasting |
<
140 mg/dL |
2
hours (post 75g glucose load)
|
140-199
mg/dL |
One
intermediate value
(0.5, 1.0, 1.5 hour) |
>
200 mg/dL |
•
The National Diabetes Data Group (NDDG) has established a different
set of criteria for diagnosing impaired glucose tolerance by using
the oral glucose-tolerance test.1
• A fasting result of less than 140 mg/dL indicates impaired
glucose tolerance.
• The same holds true if a 2-hour result after a 75 gm glucose
load falls within the range of 140 to 199 mg/dL.
• If one intermediate value is 200 mg/dL or more, this is also
diagnostic for impaired glucose tolerance.
Reference:
1. Edelman. Diabetes News. 1995;16:1-8.
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