Table 5.
Subgroup analysis based on glucose loading test (1-hour glucose challenge test vs. glucose tolerance test)
| Pregnancy Outcomes | 1-hour Glucose challenge test | Glucose tolerance test |
|---|---|---|
| Pooled RR (95% CI) | Pooled RR (95% CI) | |
| SGA | 1.47 (1.31, 1.65)** | 1.90 (1.01, 3.58)* |
| LGA | 0.72 (0.65, 0.81)** | 0.90 (0.69, 1.18)* |
| LBW | 1.29 (1.08, 1.53)** | 1.62 (0.88, 3.00) |
| Macrosomia | 0.69 (0.62, 0.78)** | 0.64 (0.43, 0.94)* |
| NICU admission | 1.14 (0.96, 1.36) | 2.16 (0.92, 5.10) |
| APGAR score < 7 | 1.46 (0.73, 2.89) | 1.98 (0.47, 8.24) |
| Caesarean section | 0.86 (0.77, 0.96)* | 1.01 (0.83, 1.22) |
| Shoulder dystocia | 0.11 (0.01, 1.77) | 0.69 (0.32, 1.49) |
| FGR | 1.21 (1.05, 1.41)* | N/A |
| Polyhydramnios | 0.71 (0.27, 1.88) | 1.93 (1.17, 3.20)** |
| Neonatal hypoglycaemia | 1.64 (0.28, 9.74) | 1.05 (0.36, 2.97) |
| Neonatal hyperbilirubinaemia | 0.82 (0.72, 0.92)** | N/A |
| Perinatal mortality | 1.04 (0.71, 1.52) | 3.16 (0.13, 77.27) |
| Preterm delivery | 1.10 (0.81, 1.50) | 1,59 (0.70, 3.58) |
| PE | 0.90 (0.71, 1.16) | 0.99 (0.61, 1.61) |
| Postpartum hemorrhage | 0.59 (0.29,1.20) | N/A |
Abbreviations: FGR fetal growth restriction, GCT glucose challenge test, GTT glucose tolerance test, LBW low birth weight, LGA large for gestational age, N/A not applicable, NICU neonatal intensive care unit, PE preeclampsia, PG plasma glucose, RR risk ratio, SGA small for gestational age. Asterisk (*) symbol indicates significant value
*= p-value < 0.05; **=p-value < 0.01