Figure 5From: Differential misclassification of confounders in comparative evaluation of hospital care quality: caesarean sections in Italy Prevalence of HFH and the difference in HFH prevalences between caesarean sections and vaginal delivery groups for individual Italian hospitals a , 2010. aThis Figure was restricted to focus on the 27 maternity units with HFH prevalence greater than the 95th percentile.Back to article page