120 minutes glucose INTERPRETATION: OGTT results in the non-pregnant patient are interpreted as below according to WHO criteria (4): Plasma venous glucose (mmol/L) Test Outcome: Fasting 2 hrs post glucose load Normal glucose tolerance AND <7.8 ≤6.0 Impaired fasting glycaemia 6.1 6.9 AND < 7.8 – Impaired glucose tolerance < 7.0 AND 7.8 11.0 – Diabetes Mellitus OR ≥7.0 ≥11.1 OGTT results in the pregnant patient are interpreted as below according to ADIPS criteria (1): Plasma venous glucose (mmol/L) Test Outcome: Fasting 1 hr 2 hrs post glucose load Normal AND < 10.0 AND < 8.5 ≤ 5.0 Gestational diabetes 5.1–6.9 OR >10.0 OR 8.5–11.0 mellitus Diabetes mellitus in 7.0 OR * OR ≥ ≥11.1 pregnancy NOTES: *there are no established criteria for the diagnosis of diabetes based on the 1-h post-load value The above ADIPS criteria are not used in New Zealand, gestational diabetes mellitus is diagnosed if fasting 5.0 mmol/L and 2-h glucose 9 mmol/L. ≥ ≥ REFERENCES:
120 minutes glucose INTERPRETATION: OGTT results in the non-pregnant patient are interpreted as below according to WHO criteria (4): Plasma venous glucose (mmol/L) Test Outcome: Fasting 2 hrs post glucose load Normal glucose tolerance ≤6.0 AND <7.8 Impaired fasting glycaemia 6.1 – 6.9 AND < 7.8 Impaired glucose tolerance < 7.0 AND 7.8 – 11.0 Diabetes Mellitus ≥7.0 OR ≥11.1 OGTT results in the pregnant patient are interpreted as below according to ADIPS criteria (1): Plasma venous glucose (mmol/L) Test Outcome: Fasting 1 hr 2 hrs post glucose load Normal ≤ 5.0 AND < 10.0 AND < 8.5 Gestational diabetes mellitus 5.1–6.9 OR >10.0 OR 8.5–11.0 Diabetes mellitus in pregnancy ≥ 7.0 OR * OR ≥11.1 NOTES: *there are no established criteria for the diagnosis of diabetes based on the 1-h post-load value The above ADIPS criteria are not used in New Zealand, gestational diabetes mellitus is diagnosed if fasting ≥ 5.0 mmol/L and 2-h glucose ≥ 9 mmol/L. REFERENCES: