Table 3.
Comparisons between women with NGT or AGT.
| NGT | AGT | P-value | |
|---|---|---|---|
| N (%) | 19 (19) | 81 (81) | |
| Age (years) | 38 ± 4 | 38 ± 5 | 0.82 |
| Age at the diagnosis of GDM (years) | 34 ± 5 | 34 ± 4 | 0.75 |
| Gestational age at the diagnosis of GDM (weeks) | 22 ± 9 | 20 ± 10 | 0.44 |
| Time since delivery (months) | 45 ± 23 | 46 ± 29 | 0.81 |
| Family history of DM (%) | 32 | 56 | 0.06 |
| BMI (kg/m2) | |||
| Before gestation | 23.3 ± 6.1 | 24.9 ± 5.6 | 0.32 |
| At the diagnosis of GDM | 26.0 ± 6.6 | 27.3 ± 5.5 | 0.40 |
| At enrolment into this study | 25.7 ± 5.8 | 25.9 ± 5.2 | 0.89 |
| Women diagnosed with GDM before 24 weeks of gestation (%) | 42.1 | 53.8 | 0.361 |
| PG (mg/dl) | |||
| 1 h after the 50 g-GCT | 162 ± 18 | 186 ± 28 | 0.001 |
| During the 100 g-OGTT | |||
| 0 h | 84 ± 15 | 88 ± 25 | 0.435 |
| 1 h | 180 ± 46 | 207 ± 32 | 0.024 |
| 2 h | 186 ± 20 | 195 ± 31 | 0.263 |
| 3 h | 153 ± 34 | 163 ± 75 | 0.55 |
| Women with ≥3 abnormal PG values during the 100 g-OGTT (%) | 15.8 | 50.7 | 0.006 |
| HbA1c (%) | 5.5 ± 0.4 | 6.4 ± 1.6 | 0.00 |
| HOMA-%B | 107 ± 33 | 104 ± 50 | 0.78 |
| HOMA-IR (median [range]) | 0.9 (0.5–2.1) | 1.3 (0.4–4.0) | 0.013 |
Data are presented as the mean ± standard deviation or percentage.
NGT: normal glucose tolerance; AGT: abnormal glucose tolerance; GDM: gestational diabetes mellitus; BMI: body mass index; GCT: glucose challenge test; OGTT: oral glucose tolerance test; HbA1c: hemoglobin A1c; HOMA-%B, homeostasis model assessment of β cell function; HOMA-IR: homeostasis model assessment of insulin resistance.