Table 2.
Background information about women aged under 35 and 35 and over who had preeclampsia
| |
Women <35 |
Women ≥35 |
|
|---|---|---|---|
| (n = 15 437) | (n = 2387) | P | |
| Prior termination |
3237 (21.0) |
812 (34.0) |
<0.001 |
| Pregravid BMI >25 kg/m2 |
2201 (41.6) |
470 (56.2) |
<0.001 |
| Late pregnancy bleeding |
215 (1.4) |
45 (1.9) |
0.062 |
| Placenta previa |
29 (0.2) |
11 (0.5) |
0.009 |
| Fertility treatment other than IVF |
274 (1.8) |
154 (6.5) |
<0.001 |
| IVF |
291 (1.9) |
184 (7.7) |
<0.001 |
| Anemia |
91 (0.6) |
14 (0.6) |
0.986 |
| Smoking |
2196 (14.2) |
226 (9.5) |
<0.001 |
| Not married |
7346 (47.6) |
1128 (47.3) |
0.058 |
| Chronic hypertension |
177 (1.1) |
49 (2.1) |
<0.001 |
| Maternal diabetes | 753 (4.9) | 221 (9.3) | <0.001 |