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Table 1 Main clinical diagnoses of the 243 patients established after expert evaluation (blinded to PCT results)

From: Serum procalcitonin measurement as diagnostic and prognostic marker in febrile adult patients presenting to the emergency department

Major diagnosis Number of patients (%) Aetiology (n [%])
   Bacterial Viral Parasitic
Infection 202 (83) 154 (76) 35 (17) 13 (7)
   Respiratory tract infection 69 (28) 62 (90) 6 (8.5) 1 (1.5)
   Urinary tract infection 42 (21) 42 - -
   Digestive tract infection 19 (9.4) 15 (79) 4 (21) -
   Flu-like 14 (7) - 14 -
   Malaria 12 (6) - - 12
   Bacteraemia of unknown origin 12 (6) 12 - -
   Ear nose and throat infection 9 (4.5) 5 (55) 4 (45) -
   Wound and soft tissue infection 7 (3.5) 7 0 -
   Bone and joint infection 3 (1.5) 3   
   Peritonitis 3 (1.5) 3 0 -
   Viral meningitis 4 (1.3) - 4 -
   Purulent meningitis 2 (2) 2 - -
   Endocarditis 2 (2) 2 - -
   Brucellosis 1 (0.5) 1 - -
   Chronic viral infection 2 (2) - 2 -
   Herpes simplex 1 (0.5) - 1 -
Non-infectious febrile episodes 41 (17)    
   Febrile neutropenia and 7 - - -
   Neoplasic fever     
   Heatstroke 24 - - -
   FUO 3 - - -
   Acute pancreatitis 2 - - -
   Haemophagocytic syndrome 1 - - -
   Alcoholic hepatitis 1 - - -
   Systemic vasculitis 1 - - -
   Drug hypersensitivity syndrome 1 - - -
   Acute appendicitis 1 - - -
Total 243 (100)    
  1. FUO, fever of unknown origin; PCT, procalcitonin.