Table 1. Baseline characteristics of patients who returned at postpartum for reevaluation of the glycemic status and the patients who did not return.
| Baseline characteristics | Postpartum reevaluation (n = 279) |
No postpartum reevaluation (n = 1,239) |
p |
|---|---|---|---|
| Age at GDM diagnosis (years) | 32.1 ± 6.1 | 31.8 ± 6.4 | 0.530* |
| Father with T2DM | 40 (14.3) | 175 (14.1) | 0.927** |
| Mother with T2DM | 85 (30.5) | 333 (26.9) | 0.225** |
| Pre-gestational weight (kg) | 70.6 ± 14.7 | 71.7 ± 16.6 | 0.288* |
| BMI 1 (kg/m2) | 27.9 ± 5.7 | 28.2 ± 6.1 | 0.596* |
| History of chronic hypertension or hypertensive pregnancy disorders | 75 (26.9) | 315 (25.4) | 0.615** |
| Gestational age at diagnosis of index pregnancy with GDM (weeks) | 30.7 ± 4.7 | 31.7 ± 4.7 | 0.002* |
| First trimester fasting plasma glucose (mg/dL) | 89.1 ± 12.5 | 88.1 ± 12.1 | 0.240* |
| Fasting plasma glucose – OGTT (mg/dL) | 95.7 ± 19.3 | 95.3 ± 18.2 | 0.744* |
| 75-g-2-hour glucose – OGTT (mg/dL) | 167.8 ± 31.3 | 168.0 ± 31.1 | 0.906* |
| Gestational weight at diagnosis of GDM (kg) | 79.3 ± 14.8 | 80.1 ± 16.3 | 0.475* |
| BMI 2 (kg/m2) | 31.4 ± 5.9 | 31.4 ± 5.9 | 0.933* |
| Insulin/metformin treatment in pregnancy | 84/2 (30.1/0.7) |
345/8 (27.8/0.6) |
0.739† |
Abbreviations: BMI 1, body mass index, with the pre-gestational weight; BMI 2, body mass index, with the gestational weight at GDM diagnosis; GDM, gestational diabetes mellitus; OGTT, oral glucose tolerance test; T2DM, type 2 diabetes mellitus.
Notes: Results are expressed as: mean ± standard deviation or n (%).
*
Student's t-test, p < 0.05; values are expressed as mean ± standard deviation.
**
Fisher's exact test, p < 0.05; values are expressed as n (%). † Chi-square test, p < 0.05; values are expressed as n (%).