Duration of antibiotic treatment of the first episode in the PRORATA trial, according to infection site. White bars indicate patients included in the control group. Hatched bars indicate patients included in the procalcitonin-guided group. This figure was drawn from data in Table 2 of  with permission from Elsevier Limited. CAP, community-acquired pneumonia; PRORATA, Use of Procalcitonin to Reduce Patients’ Exposure to Antibiotics in Intensive Care Units; UTI, urinary tract infection; VAP, ventilator-associated pneumonia.