Table 3.
Comparison of pregnancy outcomes in control and isolated single umbilical artery groups
| Isolated single umbilical artery group (n=93) | Control group (n=100) | p value | |
|---|---|---|---|
| Mean birth weight | 2981.2±679.5 | 3195.7±2592.2 | 0.591 (kg)a,b |
| Cesarean section (n) | 51 (56.9%) | 46 (46%) | 0.241 |
| Cesarean section because of non-reassuring fetal heart trace (n) | 20 (21.5%) | 15 (15%) | 0.499 |
| Small for gestational age (n)a | 24 (25.8%) | 4 (4%) | <0.001 |
| Hypertensive disorder in pregnancy (n)a | 9 (9%) | 2 (2%) | 0.022 |
| Oligohydramnon (n) | 4 (4.3%) | 3 (3%) | 0.713 |
| Preterm premature rupture of membranes (n) | 3 (3.2%) | 2 (2%) | 0.673 |
| Preterm delivery (n)a | 15 (16.1%) | 13 (13%) | 0.537 |
| Mean APGAR score at 1st minute | 8.1±1.2 | 8.9±1.9 | 0.812 |
| Mean APGAR score at 1st minute | 9.2±1.1 | 9.8±1.0 | 0.523 |
Values are compared by Mann-Whitney U test. Categorical variables are expressed as numbers and percentages. Continuous variables are presented as means±standard deviations. P<0.05 is considered statistically significant
a
Adjusted for maternal smoking status.
b
Adjusted for gestational age at birth