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Table 1 Comparision between hospital-based CLABSI rates and laboratory-based MC-CRBSI rates

From: Surveillance of catheter-related infections: the supplementary role of the microbiology laboratory

Ward A B C D E F Pooled
Hospital-based surveillance        
Number of CLABSI* events 0 5 5 7 7 1 25
CLABSI incidence per 1 000 catheter days 0 5.6 4.9 7.7 11.3 6.5 5.7
Laboratory-based surveillance        
Number of catheters submitted for culture 85 49 88 70 19 8 319
Number of catheters accompanied by BCs 44 10 77 52 6 8 197
Number of MC-CRBSI events 10 2 13 12 3 4 44
MC-CRBSI incidence per 1 000 catheter days 12.9 2.2 12.7 13.2 4.9 25.8 10.1
MC-CRBSI prevalence per 1 000 admissions 30.1 11.2 65.6 122.5 19.6 22 38.5
Denominators #        
Number of central line days 776 891 1023 912 617 155 4374
Number of patient admissions 332 179 198 98 153 182 1142
  1. A = High care, multidisciplinary ward; B = Neurosurgery ICU; C = Trauma and Surgery ICU; D = Medical and Pulmonology ICU; E = Cardiothoracic ICU; F = Paediatric Medical ICU.
  2. CLABSI = central line-associated bloodstream infection; BCs = blood cultures; MC-CRBSI = microbiologically confirmed catheter-related bloodstream infection.
  3. *CLABSI definition from Best Care…Always! = Occurrence of a primary bloodstream infection in a patient with a central line in situ or where infection occurs within 48 h of the removal of the central line, where no other possible source of the bloodstream infection could be identified.
  4. #The number of in-patient days was only available for the hospital as a whole and could therefore not be broken down per ward.