Fig. 3From: Prolonged antibiotic prophylaxis use in elective orthopaedic surgery – a cross-sectional analysisThe cumulative drain output in millilitres in SAP vs PSAP patients is shown. If one patient had more than one drainage in surgical site, the total output of all drains was calculated. Note that the density function has no speaking unit, as it shows the proportion of values within a certain interval relative to all valuesBack to article page