Table 1.
Maternal characteristics according to glucose monitoring system
| Characteristic | Total (n = 186) | rtCGM (n = 92) | iCGM (n = 94) | p value |
|---|---|---|---|---|
| Age, years | 31 (19–44) | 31 (19–41) | 31 (21–44) | 0.90 |
| Smokers | 21 (11) | 8 (9) | 13 (14) | 0.27 |
| European descent | 170 (91) | 85 (92) | 85 (90) | 0.80 |
| Diabetes duration, years | 15 (1–34) | 17 (2–32) | 14 (1–34) | <0.05 |
| Insulin pump | 54 (29) | 39 (42) | 15 (16) | <0.001 |
| Primipara | 88 (47) | 45 (49) | 43 (46) | 0.67 |
| Early-pregnancy BMI, kg/m2 | 25.9 ± 4.7 | 26.4 ± 4.8 | 25.3 ± 4.5 | 0.09 |
| Gestational weight gain, kg | 14.3 ± 5.5 | 14.9 ± 6.6 | 13.8 ± 4.2 | 0.17 |
| HbA1c | ||||
| Trimester 1, mmol/mol (%) | 52.4 ± 10.5 (6.9 ± 1.0) | 52.5 ± 11.1 (7.0 ± 1.0) | 52.3 ± 9.8 (6.9 ± 0.9) | 0.90 |
| Trimester 2, mmol/mol (%) | 45.2 ± 7.9 (6.3 ± 0.7) | 45.0 ± 7.6 (6.3 ± 0.7) | 45.3 ± 8.3 (6.3 ± 0.8) | 0.83 |
| Trimester 3, mmol/mol (%) | 45.7 ± 7.6 (6.3 ± 0.7) | 45.6 ± 7.7 (6.3 ± 0.7) | 45.8 ± 7.5 (6.3 ± 0.7) | 0.84 |
Results are given as n (%), mean ± SD or median (range) Missing data were below 5% for all variables