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Table 3 Multiple regression adjusted odds ratio of pre-eclampsia.

From: Endothelial nitric oxide synthase gene polymorphism (Glu298Asp) and development of pre-eclampsia: a case-control study and a meta-analysis

Variable Risk Comparison Odds ratio 95% Confidence interval
eNOS/Glu298Asp Asp/Asp vs Glu-carriers 0.83 0.30 – 2.25
Smoking vs non-smokers 0.88 0.34 – 2.25
Maternal age per 1 year increment 1.02 0.98 – 1.06
Ethnic group Caucasians   0.75 0.45 – 1.25
Asians vs Afro-Caribbean 1.06 0.39 – 2.89