Table 2.
Prevalence of Dysglycemia at the First Trimester Using American Diabetes Association and Endocrine Society Criteria and Incidence of Second-Trimester GDM Using ADA/IADPSG/Endocrine Society Criteria
| Glycemic Category | First Trimester (n = 244) |
|||
|---|---|---|---|---|
| ADA/HbA1c Criteria |
Endocrine Society Criteria |
|||
| Count | Percentage (95% CI) | Count | Percentage (95% CI) | |
| Overt diabetes: FBG ≥ 7 mmol/L or 2-h OGGT ≥ 11 mmol/L or HbA1c ≥ 6.5% | 1 | 0.4% (0.0%–2.3%) | 1 | 0.4% (0.0%–2.3%) |
| IGT or GDM-Tr1a | 36 | 14.8% (10.3–19.2%) | 59 | 24.2% (18.1%–30.0%) |
| Normal glucose tolerance | 207 | 84.8% | 184 | 75.4% |
| Glycemic Category | Second Trimester (n = 114) |
|||
|---|---|---|---|---|
| Count | Percentage (95% CI) | |||
| GDM-Tr2 FBG ≥ 5.1 mmol/L or 1-hour OGTT ≥ 10.0 mmol/L or 2-hour OGTT ≥ 8.5 mmol/L | 26 | 22.8% (15.5%–31.6%) | ||
| Normoglycemia | 88 | 77.2% | ||
Abbreviation: FBG, fasting blood glucose. Data are from an epidemiological study in dysglycemia among pregnant Oklahoma American Indian Women.
a
Modified ADA criteria for first-trimester IGT: FBG of 5.6–7 mmol/L or 2-h BG of 7.8–11.0 mmol/L or HbA1c of 5.7%–6.4%; Endocrine Society criteria for GDM-Tr1: FBG of 5.1–7.0 mmol/L.