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Table 3 Intensive care unit-acquired infection rates

From: Long-term use of selective digestive decontamination in an ICU highly endemic for bacterial resistance

  Non-SDD cohort (n = 110) SDD cohort (n = 258) P value Risk ratio (95% CI)
VAP/MV days
 Number of VAP 63 110 < 0.001 0.437 (0.320 to 0.595)
 Days of MV 6112 24,432   
 VAP/1000 MV days 10.3 4.5   
Urinary tract infection/urinary catheter days
 Number of urinary tract infections 33 97 0.110 0.725 (0.488 to 1.076)
 Days of indwelling urinary catheter 8707 35,312   
 Urinary infections/1000 catheter days 3.79 2.75   
CLABSI/CVC days
 Number of CLABSI    0.802 1.056 (0.690 to 1.615)
 Days of CVC 7249 30,631   
 CLABSI/1000 CVC days 3.59 3.9   
Secondary BSI/ICU days
 Number of secondary BSI 43 57 < 0.001 0.349 (0.237 to 0.516)
 ICU days of stay 9176 37,857   
 Secondary BSI/1000 ICU days 4.69 1.64   
MDRB/ICU days
 Number of MDRB infections 88 112 < 0.001 0.308 (0.233 to 0.408)
 ICU days of stay 9176 37,857   
 MDRB infections/1000 ICU days 9.59 2.96   
  1. Abbreviations: SDD Selective digestive tract decontamination, VAP Ventilator-associated pneumonia, MV Mechanical ventilation, CLABSI Central line-associated bloodstream infection, CVC Central venous catheter, BSI Bloodstream infection, MDRB Multidrug-resistant bacteria
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