Table 1.
Characteristics and GDM prevalence in two Sri Lanka tertiary hospitals.
| Total n = 795 mean, SD | CNTH n = 543 mean, SD | BTH n = 252 mean, SD | p-value | |
|---|---|---|---|---|
| MATERNAL CHARACTERISTICS | ||||
| Age, years | 27.9, 5.7 | 28.8, 5.4 | 25.9, 5.9 | <0.001 |
| BMI at first booking, kg/m2 | 23.9, 5.0 | 23.4, 4.8 | 24.9, 5.4 | <0.001 |
| OGTT, Fasting mmol/L | 4.7, 0.9 | 4.6, 0.8 | 4.9, 1.0 | 0.002 |
| OGTT, 1-h mmol/L | 7.5, 2.0 | 7.4, 1.9 | 7.9, 2.2 | 0.003 |
| OGTT, 2-h mmol/L | 6.1, 1.6 | 6.0, 1.6 | 6.2, 1.6 | 0.09 |
| FETAL CHARACTERISTICS | ||||
| Gender, Male | 373 (46.9%) | 264 (48.6%) | 109 (43.3%) | <0.001 |
| Birthweight, g | 3030.0, 508.7 | 3006.0, 542.9 | 3075.5, 433.9 | 0.06 |
| MATERNAL GDM PREVALENCE (≥20 WEEKS GESTATION) BY IADPSG | ||||
| Crude | 248 (31.2%) | 148 (27.3%) | 100 (39.7%) | <0.001 |
| Age and first-booking BMI adjusted | 31.2% | 30.8% | 32.2% | 0.07 |
| MATERNAL GDM PREVALENCE (≥20 WEEKS GESTATION) BY WHO 1999 | ||||
| Crude | 104 (13.1%) | 64 (11.8%) | 40 (15.9%) | <0.001 |
| Age and first-booking BMI adjusted | 13.1% | 13.3% | 12.6% | 0.12 |
| MATERNAL GDM PREVALENCE (≥20 WEEKS GESTATION) BY SRI LANKA NATIONAL GUIDELINE | ||||
| Crude | 173 (21.8%) | 102 (18.8%) | 71 (28.2%) | <0.001 |
| Age and first-booking BMI adjusted | 28.0% | 27.2% | 29.7% | <0.01 |
CNTH, Colombo North Teaching Hospital; BTH, Batticaloa Teaching Hospital; OGTT, oral glucose tolerance test; SD, standard deviation; BMI, body mass index.
p-value done by either student's t-test or χ2 test.