25 (OH )D values (ng/ml)  gestational age<20 wks  Term gestational age
Preeclampsia Cases (n=57) Controls (n=178) Preeclampsia Cases (n=57) Controls (n=178)
<20(deficient) 57(100 %) 122(68.5 %) 56(98.2 %) 125(70.2 %)
20-29(insufficient) 0 19(10.7 %) 1(1.8 %) 17(9.6 %)
>30(normal) 0 37(20.8 %) 0 36(20.2 %)
*20 wks: χ2=23.543; p-value<0.001.
Term: χ2=19.355; p-value<0.001, Relative risk=17.93 (95 % CI=3.886-102.52) deficient vs non-deficient.
Table 1: Association between Preeclampsia diagnosis and maternal 25 (OH) vitamin D statuses at < 20 wks gestation and term gestation.