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Table 2 Patient demographics, underlying conditions, chronic illnesses and risk factors for MC-CRBSI events

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

  Adults % (n = 40) Children % (n = 5) Infants % (n = 12)
Number of MC-CRBSI episodes per patient    
  1 87.5 (35) 80.0 (4) 100.0 (12)
  2 10.0 (4) - -
  3 2.5 (1) 20.0 (1) -
Demographics    
  Mean age (±SD) 44 years (±14.9) 4 years (±3.16) 31 days (±21.4)
  % Male 42.5 (17) 100.0 (5) 66.7 (8)
Underlying conditions ^    
  Gastro-intestinal 27.5 (11) 20.0 (1) 58.3 (7)
  Nephrology 22.5 (9) - -
  Trauma 10.0 (4) - 8.3 (1)
  Dermatology (includes burned patients) 7.5 (3) 40.0 (2) -
  Surgery (amputation) 7.5 (3) - -
  Respiratory 5.0 (2) - 25.0 (3)
  Malignancy 5.0 (2) 20.0 (1) 8.3 (1)
  Neurologic 5.0 (2) - -
  Cardiovascular 2.5 (1) 20.0 (1) -
  Endocrinology 2.5 (1) - -
  Gynaecology 2.5 (1) - -
  Unknown 2.5 (1) - -
Days of hospitalisation # (mean) (±SD) 29.0 (±22.2) 30.0 (±19.3) 27.1 (±14.9)
  Unknown per number of events % (n) 13.3 (6/45) 14.3 (1/7) 16.6 (2/12)
Chronic illness ^    
  None 57.5 (23) 80.0 (4) 83.3 (10)
  Renal failure 22.5 (9) - -
  HIV-positive 12.5 (5) 20.0 (1) (2 exposed)
  Diabetes 12.5 (5) - -
  Unknown 2.5 (1) - -
Risk factors ^    
  None 40.0 (16) - 50.0 (6)
  TPN administration 42.5 (17) 40.0 (2) 33.3 (4)
  Malnutrition 12.5 (5) 20.0 (1) -
  Loss of skin integrity 7.5 (3) 40.0 (2) 8.3 (1)
  Neutropenia 2.5 (1) 20.0 (1) 8.3 (1)
  Unknown 2.5 (1) - -
Length of catheterisation 11.1 (±5.5) 15.7 (±6.1) 11.9 (±2.5)
  Unknown per number of catheters % (n) 21.6 (11/51) 14.3 (1/7) 33.3 (4/12)
  1. SD = standard deviation; TPN = total parenteral nutrition.
  2. ^Incomplete clinical details for a single patient, six patients (five adults and one child) had more than two risk factors present at once, which will explain why percentages do not add up to 100%.
  3. #the mean length of hospitalisation was calculated for each MC-CRBSI event in patients with multiple events.