| Variables | All n = 142 | PE n = 71 | n = 71 | P |
| Age of pregnancy |
|
|
| 0.036 |
| T2 | 18 (12.7) | 5 (7.0) | 13 (18.3) | |
| T3 | 124 (87.3) | 66 (93.0) | 58 (81.7) | |
| Type of pregnancy |
|
|
| 0.060 |
| Monofoetal | 138 (97.2) | 67 (94.4) | 71 (100.0) | |
| Twins | 4 (2.8) | 4 (5.6) | 0 (0.0) |