Table 2.
Demographic and clinical characteristics of the 4-vessel and the STORK cohort
| 4-vessel (n = 75) | STORK (n = 70) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| n | % | Mean (SD) | Min | Max | n | % | Mean (SD) | Min | Max | |
| Mothers | ||||||||||
| Age (years) | 36.0 (3.8) | 28.0 | 44.0 | 32.1 (3.6) | 24 | 41 | ||||
| Pre-pregnancy BMIa (kg/m2) | 23.7 (4.8)e | 17.0 | 47.6 | 24.1 (2.9) | 18.5 | 31.1 | ||||
| Systolic blood pressure (mmHg)b | 109.9 (10.7) | 90 | 135 | 110.0 (9.7) | 90 | 130 | ||||
| Diastolic blood pressure (mmHg)b | 68.1 (8.6) | 48.0 | 83.0 | 66.3 (8.1) | 45 | 80 | ||||
| No smoking during pregnancyc | 71 | 94.7 | 69 | 98.5 | ||||||
| Higher educationd | 66 | 88.0 | 58 | 82.9 | ||||||
| Married/partner | 71 | 94.7 | 70 | 100.0 | ||||||
| Nulliparity | 17 | 22.7 | 35 | 50.0 | ||||||
| GA, 1st sampling | 15.7 (1.2)e | 12.1 | 18.1 | |||||||
| GA, 2nd sampling | 23.4 (1.0) | 21.6 | 26.4 | |||||||
| GA, 3rd sampling | 31.3 (1.0) | 29.4 | 33.6 | |||||||
| Infants | ||||||||||
| Sex (boys) | 43 | 57.3 | 40 | 57.0 | ||||||
| GA at birth | 38.8 (0.6) | 37.0 | 41.0 | 40.3 (1.2) | 37.6 | 42.6 | ||||
| Placental weight (g) | 617.7 (124.7) | 310.0 | 900.0 | 699.2 (147.5) e | 470 | 1030 | ||||
| Birthweight (g) | 3579.2 (424.4) | 2297.0 | 4520.0 | 3549.5 (463.2) | 2325 | 4760 | ||||
GA gestational age in weeks
a4-vessel: based on self-reported pre-pregnancy weight and height, STORK: based on measured weight and height at first visit
bFirst trimester measurement
c4-vessel: no smoking during pregnancy vs. stopped smoking in first trimester. No women continued smoking once they were aware of their pregnancy, STORK: self-reported “no smoking during pregnancy” vs. “smoking”
dUniversity college/university education (> 15 years)
eMissing data: 4 vessel cohort: pre-pregnancy BMI n = 72; STORK cohort: GA 1st sampling n = 64, placental weight n = 66