Figure 1. Receiver operating characteristic curve showing
discrimination of the clinical prediction model for maternal end-organ
injury or death.
Legend: Outcomes are those arising between 20 weeks’ gestation
and 42 days after birth, using variables measured pre-pregnancy, and in
the index pregnancy prior to 20 weeks’ gestation. Analysed is the entire
cohort of 634,290 births. C-statistic for Area Under the Curve = 0.68
(95% CI 0.66-0.69).