Table 2 Relative risks of APO categories by quartiles of Hcy, folate and VB12 in 1163 pregnant women
APO categories | APO by quartiles of Hcy | APO by quartiles of folate | APO by quartiles of VB12 | ||||||
|---|---|---|---|---|---|---|---|---|---|
Odds ratio | 95% CI | P value | Odds ratio | 95% CI | P value | Odds ratio | 95% CI | P value | |
Preeclampsia | |||||||||
 I quartile | 1 | – | – | 1 | – | – | 1 | – | – |
 II quartile | 0.96 | 0.64–1.44 | 0.836 | 0.66 | 0.46–0.94 | 0.023 | 0.90 | 0.63–1.30 | 0.578 |
 III quartile | 1.11 | 0.74–1.65 | 0.612 | 0.67 | 0.47–0.96 | 0.029 | 0.78 | 0.54–1.13 | 0.195 |
 IV quartile | 2.55 | 1.76–3.69 | < 0.001 | 0.44 | 0.30–0.64 | < 0.001 | 0.72 | 0.50–1.05 | 0.087 |
Preterm birth | |||||||||
 I quartile | 1 | – | – | 1 | – | – | 1 | – | – |
 II quartile | 1.34 | 0.81–2.20 | 0.255 | 0.91 | 0.63–1.43 | 0.949 | 0.71 | 0.47–1.07 | 0.100 |
 III quartile | 1.58 | 0.97–2.57 | 0.068 | 0.46 | 0.29–0.71 | 0.001 | 0.58 | 0.38–0.89 | 0.012 |
 IV quartile | 3.54 | 2.26–5.54 | < 0.001 | 0.44 | 0.28–0.70 | < 0.001 | 0.56 | 0.37–0.86 | 0.008 |
Low birth weight | |||||||||
 I quartile | 1 | – | – | 1 | – | – | 1 | – | – |
 II quartile | 0.77 | 0.45–1.32 | 0.337 | 0.91 | 0.60–1.39 | 0.665 | 0.83 | 0.53–1.36 | 0.426 |
 III quartile | 1.03 | 0.63–1.69 | 0.912 | 0.56 | 0.35–0.90 | 0.016 | 0.81 | 0.51–1.31 | 0.362 |
 IV quartile | 2.54 | 1.62–3.98 | < 0.001 | 0.43 | 0.26–0.71 | 0.001 | 0.78 | 0.49–1.24 | 0.292 |
Stillbirth | |||||||||
 I quartile | 1 | – | – | 1 | – | – | 1 | – | – |
 II quartile | 5.07 | 0.59–43.67 | 0.140 | 1.20 | 0.36–3.99 | 0.761 | 2.02 | 0.50–8.16 | 0.323 |
 III quartile | 6.11 | 0.73–51.03 | 0.095 | 0.80 | 0.21–3.01 | 0.741 | 1.68 | 0.40–7.09 | 0.481 |
 IV quartile | 6.13 | 0.73–51.21 | 0.094 | 0.60 | 0.14–2.52 | 0.481 | 1.34 | 0.30–6.05 | 0.701 |