| Overall cohort | Standardized mean difference¶ | PS matched cohort | Standardized mean difference¶ | ||
---|---|---|---|---|---|---|
screening positive | Screening negative | Screening positive | Screening negative | |||
n = 802 | n = 26,193 | n = 798 | n = 798 | |||
Maternal age, years | 32.9 ± 5.1 | 31.5 ± 4.9 | 0.27 | 32.9 ± 5.1 | 33.0 ± 4.9 | 0.02 |
Pre-pregnant BMI, kg/m2 | 22.5 ± 4.3 | 20.9 ± 3.1 | 0.37 | 22.5 ± 4.3 | 22.3 ± 3.8 | 0.05 |
Overweight | 163 (20.3) | 2,207 (8.4) | 0.40 | 159 (19.9) | 151 (18.9) | 0.03 |
Underweight | 90 (11.2) | 4,615 (17.6) | 0.17 | 90 (11.3) | 78 (9.8) | 0.05 |
Primiparity | 355 (44.3) | 11,707 (44.7) | 0.01 | 355 (45.5) | 340 (42.6) | 0.06 |
ART | 108 (13.5) | 1,584 (6.0) | 0.30 | 107 (13.4) | 107 (13.4) | 0.00 |
Current smoker | 10 (2.1) | 322 (1.2) | 0.07 | 10 (2.1) | 9 (1.4) | 0.05 |
GDM | 433 (54.0) | 730 (2.8) | 2.34 | 430 (53.9) | 23 (3.3) | 1.10 |
GA at the 75 g-OGTT, weeks | 13.5 ± 1.7 |  |  | 13.5 ± 1.7 |  |  |
FPG, mg/dL | 89.2 ± 10.0 |  |  | 89.2 ± 10.0 |  |  |
1-h-PG, mg/dL | 148.6 ± 31.9 |  |  | 148.5 ± 31.9 |  |  |
2-h-PG, mg/dL | 131.3 ± 27.2 |  |  | 131.1 ± 27.2 |  |  |
Initial-increase, mg/dL | 59.3 ± 31.3 |  |  | 59.3 ± 31.3 |  |  |
Subsequent-decrease, mg/dL | 17.3 ± 26.6 |  |  | 17.3 ± 26.6 |  |  |
HDP | 115 (14.3) | 1,968 (7.5) | 0.25 | 114 (14.3) | 74 (9.3) | 0.16 |
EoHDP | 25 (3.1) | 700 (2.7) | 0.02 | 24 (3.0) | 31 (3.9) | 0.05 |
LoHDP | 90 (11.2) | 1,267 (4.8) | 0.28 | 90 (11.3) | 42 (5.3) | 0.22 |
Stillbirth  ≥ 20 weeks | 4 (0.5) | 146 (0.6) | 0.01 | 4 (0.5) | 5 (0.6) | 0.01 |
GA at delivery, weeks | 39.3 ± 1.7 | 39.3 ± 1.9 | 0.00 00 | 39.3 ± 1.7 | 39.2 ± 2.1 | 0.06 |
Neonatal sex, male | 409 (51.0) | 12,118 (46.3) | 0.09 | 405 (51.3) | 402 (52.3) | 0.02 |
Birthweight, g | 3,084 ± 459 | 3,028 ± 453 | 0.12 | 3,084 ± 459 | 3,032 ± 490 | 0.11 |
Large for gestational age | 126 (15.7) | 2,722 (10.4) | 0.17 | 125 (15.7) | 117 (14.8) | 0.03 |
Small for gestational age | 50 (6.2) | 1,795 (6.9) | 0.03 | 50 (6.3) | 48 (6.1) | 0.01 |
Placental weight, g | 592.5 ± 114.3 | 584.2 ± 114.7 | 0.07 | 592.2 ± 114.4 | 592.4 ± 113.5 | 0.00 |