Table 2. Baseline characteristics and pregnancy outcomes of patients with GDM who did and did not complete postpartum glucose tolerance testing (GTT).
Results are expressed as n (%), mean ± standard deviation, or median (25th quartile - 75th quartile)
*Body mass index at time of initial presentation during index pregnancy
†Data missing for 11 patients who were not compliant and one patient who was compliant with postpartum GTT
‡Data missing for one patient who did not complete postpartum GTT
GDM - gestational diabetes, GTT - glucose tolerance testing
| Category | Did not complete GTT (n=128) | Completed GTT (n=57) | p-value |
| Age (years) | 31.5 ± 6.0 | 33.4 ± 5.4 | 0.04 |
| *Body mass index (kg/m2) | 33.5 ± 7.7 | 30.1 ± 6.1 | <0.001 |
| Parity | 1 (1-3) | 2 (1-2) | 0.88 |
| Race/ethnicity | 0.15 | ||
| Asian | 5 (3.9%) | 6 (10.5%) | |
| Black | 7 (5.5%) | 2 (3.5%) | |
| Hispanic | 97 (75.8%) | 46 (80.7%) | |
| Non-Hispanic White | 1 (0.8%) | 0 | |
| None of the above | 18 (14.1%) | 3 (5.3%) | |
| Chronic hypertension | 12 (9.4%) | 6 (10.5%) | 0.81 |
| History of cesarean section | 26 (20.3%) | 15 (26.3%) | 0.44 |
| History of GDM | 23 (18.0%) | 8 (14.0%) | 0.67 |
| †Gestational age at GDM diagnosis | 24.6 ± 8.6 | 22.7 ± 8.2 | 0.18 |
| Diet-controlled GDM | 86 (67.2%) | 38 (66.7%) | 1.00 |
| Gestational age at delivery (weeks) | 38.2 ± 2.2 | 38.1 ± 2.2 | 0.80 |
| ‡Infant birthweight (grams) | 3279 ± 683 | 3069 ± 624 | 0.05 |
| Gestational hypertension | 7 (5.5%) | 1 (1.8%) | 0.44 |
| Preeclampsia without severe features | 12 (9.4%) | 2 (3.5%) | 0.23 |
| Preeclampsia with severe features | 17 (13.3%) | 1 (1.8%) | 0.01 |
| Cesarean delivery | 50 (39.1%) | 24 (42.1%) | 0.75 |
| Scheduled | 21 (16.4%) | 13 (22.8%) | 0.57 |
| Shoulder dystocia | 3 (2.3%) | 1 (1.8%) | 1.00 |
| Postpartum hemorrhage | 22 (17.2%) | 7 (12.3%) | 0.51 |
| Chorioamnionitis | 12 (9.4%) | 7 (12.3%) | 0.60 |
| Wound complication | 4 (3.1%) | 1 (1.8%) | 0.61 |
| Neonatal intensive care unit admission | 39 (30.5%) | 20 (35.1%) | 0.61 |