Table 2.
The distribution of selected maternal risk factors for preeclampsia in women with singleton pregnancy and early- or late-onset preeclampsia.
| Risk factors for preeclampsia | EOP (n = 113) | LOP (n = 101) | Total (n = 214) |
|---|---|---|---|
| Primiparity, n (%) | 83 (73.4) | 71 (70.3) | 154 (72.0) |
| Multiparity (>3), n (%) | 3 (2.6) | 5 (5.0) | 8 (3.7) |
| Previous preeclamptic pregnancy, n (%) | 2 (1.7) | 2 (2.0) | 4 (1.8) |
| Chronic hypertension, n (%) | 20 (17.7) | 14 (14.0) | 34 (15.8) |
| Chronic renal disease, n (%) | 4 (3.5) | 2 (2.0) | 6 (2.8) |
| History of thrombophilia, n (%) | 2 (1.7) | 1 (1.0) | 3 (1.4) |
| In vitro fertilization, n (%) | 2 (1.7) | 3 (3.0) | 5 (2.3) |
| Family history of preeclampsia, n (%) | Data not available | Data not available | Data not available |
| Type 1 or type 2 diabetes mellitus, n (%) | 7 (6.2) | 8 (8.0) | 15 (7.0) |
| Obesity, BMI >30 kg/m2, n (%) | 13 (11.5) | 12 (12.0) | 25 (11.7) |
| Systemic lupus erythematosus, n (%) | 1 (0.9) | 0 (0.0) | 1 (0.4) |
| Maternal age ≥40 years, n (%) | 9 (8.0) | 4 (4.0) | 13 (6.0) |
BMI, body mass index; EOP, early-onset preeclampsia; LOP, late-onset preeclampsia.