| Total (n = 500) | Severity | t | p | |
| Mild (n = 380) | Severe (n = 120) | |||
Maternal age (years) |
|
|
|
|
|
Min. - Max. | 16.0 - 45.0 | 19.0 - 40.0 | 16.0 - 45.0 | 0.427 | 0.670 |
Mean ± SD. | 28.74 ± 6.25 | 28.65 ± 4.46 | 29.05 ± 10.01 | ||
Median | 28.0 | 28.0 | 32.0 | ||
Gestational age (weeks) |
|
|
|
|
|
Min. - Max. | 20.0 - 40.0 | 31.0 - 40.0 | 20.0 - 37.0 | 4.181* | <0.001* |
Mean ± SD. | 33.0 ± 2.56 | 33.37 ± 1.75 | 31.81 ± 3.98 | ||
Median | 33.0 | 34.0 | 33.0 |