Table 2.
Clinical and laboratory characteristics of women with GDM based on results of 6–12 weeks postpartum glucose tolerance using 75-g OGTT.
| Characteristics | Women with GDM (N = 176) | Normal glucose tolerance (N = 137) | Abnormal glucose tolerance (N = 39) | P value∗ |
|---|---|---|---|---|
| Mean (±SD) | Mean (±SD) | Mean (±SD) | ||
| Age (years) | 29.68 (5.25) | 29.71 (5.50) | 29.56 (4.29) | 0.87 |
| Gestational age of diagnosis | 19.83 (8.46) | 21.29 (8.12) | 14.71 (7.86) | <0.001 |
| Total weight gain in pregnancy (kg) | 10.88 (6.29) | 10.85 (6.67) | 10.98 (4.78) | 0.90 |
| Weight before pregnancy (kg) | 71.51 (12.10) | 71.08 (11.67) | 73.05 (13.57) | 0.37 |
| Weight in last month of pregnancy (kg) | 82.33 (12.92) | 81.83 (12.51) | 84.06 (14.32) | 0.34 |
| Gestational age at birth (weeks) | 38.97 (1.36) | 39.05 (1.29) | 38.66 (1.54) | 0.11 |
| Birth weight of the child (g) | 3378.70 (557.33) | 3450.28 (549.61) | 3250.21 (572.36) | 0.10 |
| Systolic BP pregnancy (mmHg) | 114.11 (20.26) | 111.89 (16.32) | 121.92 (124.05) | 0.003 |
| Diastolic BP (mmHg) | 69.28 (12.38) | 68.10 (11.14) | 73.46 (15.43) | 0.01 |
| FPG first visit pregnancy (g/dL) | 92.41 (11.63) | 91.15 (10.17) | 96.84 (15.06) | 0.007 |
| FPG at time of OGTT (g/dL) | 97.80 (19.44) | 95.06 (17.23) | 107.41 (23.57) | <0.001 |
| 1-hour pregnancy (g/dL) | 160.75 (35.80) | 158.69 (36.92) | 167.97 (30.94) | 0.15 |
| 2-hour pregnancy (g/dL) | 139.74 (35.72) | 136.21 (35.73) | 152.12 (33.26) | 0.01 |
| FPG postpartum (g/dL) | 91.81 (18.25) | 85.78 (7.52) | 112.97 (27.24) | <0.001 |
| 2-hour 75 gr OGTT postpartum (g/dL) | 106.19 (41.70) | 93.99 (19.09) | 149.05 (65.70) | <0.001 |
| Postpartum BMI (kg/m2) | 28.30 (4.43) | 27.86 (4.21) | 29.86 (4.86) | 0.01 |
∗Using t-test.
GDM, gestational diabetes mellitus; BP, blood pressure; FPG, fasting plasma glucose; OGTT, oral glucose tolerance test; BMI, body mass index, defined as weight (kg)/height (m)2.