Fig. 2From: Investigation of the impact of the NICE guidelines regarding antibiotic prophylaxis during invasive dental procedures on the incidence of infective endocarditis in England: an electronic health records studyMonthly cases of infective endocarditis in individuals identified as high-risk or as illicit drug users. Different coloured lines represent different inclusion criteria. a Raw cases. b Raw cases after applying a non-parametric LOWESS smootherBack to article page