| Variables maternal | Preeclampsia | Freq (n = 119) | mean | median | SD | U of Mann-Whitney | p-value |
| Age | no | 84 | 32.1 | 31.0 | 7.15 | 1399 | 0.661 |
| yes | 35 | 32.5 | 6.70 | 6.70 | |||
| gestational age | no | 84 | 37.0 | 5.44 | 5.44 | 776 | ˂0.001*** |
| yes | 35 | 33.4 | 5.72 | 5.72 | |||
| BMI | no | 84 | 27.3 | 3.87 | 3.87 | 965 | 0.003** |
| yes | 35 | 30.1 | 4.89 | 4.89 |