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. 2018 Jun 21;361:k2167. doi: 10.1136/bmj.k2167

Fig 5.

Fig 5

Causal association between 25-hydroxyvitamin D cut-off levels and pre-eclampsia from the two sample mendelian randomisation (MR) analysis of the UK Genetics of Pre-eclampsia Study (GOPEC) and the Norwegian Mother and Child Cohort Study (MoBa). (a) <75 nmol/L compared with ≥75 nmol/L, (b) <50 nmol/L compared with ≥50 nmol/L. Associations reflect the risk of pre-eclampsia per increase in the log(odds) of the risk of being below the respective cut-off level for 25-hydroxyvitamin D