Clinical Study

Procalcitonin-Guided Antibiotics after Surgery for Peritonitis: A Randomized Controlled Study

Figure 3

Relation initial PCT value and postoperative antibiotic therapy. Scatter plot of duration of antibiotic therapy in days on x-axis versus the median PCT value on day of surgery or postoperative day 1 in μg/l. Spearman’s rank correlation coefficient , with a value > 0.01.