Box 12.1 Oral glucose tolerance testing
Conditions
Performed in the morning after 8–10hr fast
Dose
Glucose 1.75g/kg to a maximum of 75g, drunk within 5–10min
Sampling
Blood glucose at 0 min and at 30min intervals thereafter for 120min
Interpretation
See table below
. | Blood glucose (mmol/L)
. |
---|
. | At 0 min
. | At 120 min
. |
---|
Normal | <6.0 | <7.8 |
IGT | 6.0–7.0 | 7.8–11.1 |
DM | >7.0 | >11.1 |
. | Blood glucose (mmol/L)
. |
---|
. | At 0 min
. | At 120 min
. |
---|
Normal | <6.0 | <7.8 |
IGT | 6.0–7.0 | 7.8–11.1 |
DM | >7.0 | >11.1 |