Table 3.
Maternal characteristics and pregnancy outcomes of women with normal glucose tolerance according to JSOG or IADPSG criteria
| JSOG criteria group (n = 3,767) | IADPSG criteria group (n = 4,109) | P‐value | Odds ratio | 95% CI | Adjusted odds ratio (95% CI)† | |
|---|---|---|---|---|---|---|
| Maternal age (years) | 32 | 33 | <0.001 | |||
| Pre‐pregnancy body mass index (kg/m2) | 20.3 | 20.3 | 0.90 | |||
| Height (cm) | 158 | 158 | 0.20 | |||
| Pre‐pregnancy bodyweight (kg) | 51.6 | 52 | 0.68 | |||
| Bodyweight at delivery (kg) | 62 | 61.7 | 0.097 | |||
| Primipara | 1,866 (50%) | 2,099 (51%) | 0.18 | |||
| GDM (including overt diabetes mellitus) | 0 | 0 | ||||
| Insulin therapy in GDM | 0 | 0 | ||||
| Pre‐pregnancy diabetes mellitus | 0 | 0 | ||||
| Weight gain during pregnancy (kg) | 9.9 | 10.3 | <0.001 | |||
| Birthweight (g) | 3,024 | 3,006 | 0.054 | |||
| Gestational weeks at delivery (weeks) | 39.6 | 39.4 | <0.001 | |||
| Macrosomia | 36 (1.0%) | 27 (0.7%) | 0.16 | 0.69 | 0.42–1.13 | 0.76 (0.46–1.26) |
| Shoulder dystocia | 42 (1.1%) | 35 (0.9%) | 0.25 | 0.76 | 0.49–1.20 | 0.82 (0.52–1.29) |
| Large for gestational age | 378 (10%) | 371 (9.0%) | 0.13 | 0.89 | 0.77–1.035 | 0.89 (0.77–1.041) |
| Emergency cesarean delivery | 263 (7.0%) | 280 (6.8%) | 0.79 | 0.97 | 0.82–1.16 | 0.94 (0.79–1.13) |
| Operative vaginal delivery | 164 (4.4%) | 178 (4.3%) | 1.00 | 0.99 | 0.80–1.24 | 0.99 (0.79–1.24) |
| Small for gestational age | 324 (8.6%) | 380 (9.2%) | 0.32 | 1.083 | 0.93–1.26 | 1.07 (0.92–1.25) |
| Admission to NICU | 263 (7.0%) | 244 (5.9%) | 0.060 | 0.84 | 0.70–1.0071 | 0.83 (0.69–0.99) |
| Neonatal hypoglycemia | 29 (0.8%) | 16 (0.4%) | 0.035 | 0.50 | 0.27–0.93 | 0.49 (0.27–0.91) |
| Neonatal jaundice requiring phototherapy | 166 (4.4%) | 164 (4.0%) | 0.37 | 0.90 | 0.72–1.12 | 0.89 (0.71–1.11) |
| Respiratory distress syndrome | 2 (0.05%) | 3 (0.1%) | 0.68 | 1.38 | 0.23–8.24 | 0.56 (0.092–3.36) |
The criteria for phototherapy were as follows. If the birthweight was 2,000–2,499 g and the gestation at delivery was 37 weeks, the thresholds of blood bilirubin level were as follow: >10 mg/dL at day 1, >13 mg/dL at day 2 and> 15 mg/dL at day 3. If the birth weight was ≥2,500 g and/or the gestation at delivery was ≥38 weeks, the thresholds of blood bilirubin level were as follows: >12 mg/dL at day 1, >15 mg/dL at day 2 and> 18 mg/dL at day 3.
Adjusted odds ratio adjusted for maternal age, pre‐pregnancy body mass index, primipara and gestational weeks at delivery. CI, Confidence Interval; GDM, Gestational Diabetes Mellitus; IADPSG, the International Association of Diabetes and pregnancy Study Group; JSOG, the Japan Society of Obstetrics and Gynecology.