| Cases | Controls | RR (95 % CI) | p value | |||
|---|---|---|---|---|---|---|
| Total | Preeclampsia | Total | Preeclampsia | |||
| Age distribution in years | ||||||
| 18–24 | 36 | 2 (5.5 %) | 30 | 1 (3.0 %) | 2.03 (0.57–7.13) | >0.05 |
| 25–30 | 22 | 2 (9.0 %) | 26 | 9 (34 %) | 0.26 (0.11–0.66) | <0.05 |
| 31–35 | 35 | 3 (8.5 %) | 38 | 2 (5.2 %) | 1.63 (0.63–4.18) | >0.05 |
| >35 | 7 | 0 (0 %) | 6 | 1 (16 %) | ||
| Parity | ||||||
| Primigravida | 56 | 4 (7 %) | 53 | 11 (20 %) | 0.36 (0.19–0.66) | <0.05 |
| Multigravida | 44 | 3 (7 %) | 47 | 2 (4.2 %) | 1.6 (0.62–4.08) | >0.05 |
| BMI | ||||||
| <30 kg/m2 | 68 | 3 (4.4 %) | 65 | 5 (7.6 %) | 0.58 (0.27–1.2) | >0.05 |
| >30 kg/m2 | 32 | 4 (12.5 %) | 35 | 8 (22.8 %) | 0.55 (0.28–1.06) | >0.05 |
| Risk factors | ||||||
| Chronic hypertension | 2 | 0 | 3 | 1 (33 %) | ||
| BMI > 30 kg/m2 | 32 | 4 (12.5 %) | 35 | 8 (22.8 %) | 0.55 (0.28–1.06) | >0.05 |
| DM | 4 | 1 (25 %) | 5 | 2 (40 %) | 0.62 (0.14–2.75) | >0.05 |
| Previous eclampsia, preeclampsia | 4 | 3 (75 %) | 3 | 2 (66 %) | 1.13 (0.21–6.19) | >0.05 |
| Multiple risk groups | 2 | 1 (50 %) | 3 | 2 (50 %) | 1 (0.15–1.5) | >0.05 |
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