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Table 1 Epidemiological data, results of SXR and macroscopic evaluation of sinus fluids obtained by antral puncture

From: Hospital-acquired sinusitis is a common cause of fever of unknown origin in orotracheally intubated critically ill patients

Parameter Value
Patient data (n = 351)  
   Sex (M:F) 193:158
   Age (mean ± SD) 59 ± 21.2
   APACHE II score (mean ± SD) 21 ± 6.8
   ICU LOS (days) at diagnosis (mean ± SD) 5.9 ± 5.7
Results of sinus X-rays in patients with FUO (n = 198)  
   Sinus X-ray abnormal (two directions) 101 (51%)
   Sinus X-ray equivocal 28 (14%)
   Sinus X-ray normal 69 (35%)
Macroscopic evaluation of sinus fluid (n = 101)  
   Pus 17 (17%)
   Purulent 38 (38%)
   Bloody 13 (13%)
   Clear 33 (33%)
  1. APACHE, Acute Physiology and Chronic Health Evaluation; FUO, fever of unknown origin; UCI LOS, length of stay in the intensive care unit.