Table 3 Univariate and multivariate logistic regression for the factors associated with preeclampsia
Variable | Cases | Controls | p-value | cOR (95% C.I.) | p-value | aOR (95% C.I.) |
|---|---|---|---|---|---|---|
Parity | ||||||
Nulliparous | 22 | 17 | 0.28 | 1.62 (0.68–3.84) | 0.95 | 1.04 (0.33–3.27) |
Multiparous | 20 | 25 | Ref | |||
Gestational age (weeks) | ||||||
< 28 | 1 | 1 | 0.76 | 1.55 (0.09–26.01) | 0.10 | 13.60 (0.63–294.62) |
28–34.9 | 9 | 3 | 0.03 | 4.64 (1.13–19.04) | 0.13 | 3.69 (0.70–19.65) |
35–36.9 | 10 | 4 | 0.04 | 3.86 (1.08–13.86) | 0.12 | 3.52 (0.72–17.30) |
≥ 37 | 22 | 34 | Ref | |||
Ionized Calcium level (mmol/l) | ||||||
< 1.16 | 29 | 9 | 0.00 | 8.1 (3.05–21.91) | 0.00 | 7.51 (2.39–23.60) |
≥ 1.16 | 13 | 33 | Ref | |||
Total serum calcium level (mmol/l) | ||||||
< 2.1 | 29 | 15 | 0.00 | 4.02 (1.62–9.97) | 0.045 | 3.10 (1.02–9.37) |
≥ 2.1 | 13 | 27 | Ref | |||
Dietary calcium intake (gm/24 h) | ||||||
< 1000 | 27 | 18 | 0.05 | 2.40 (1.00–5.78) | 0.03 | 3.42 (1.10–10.72) |
≥ 1000 | 15 | 24 | Ref | |||