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Table 1 Methicillin-resistant Staphylococcus aureus and bacterial heterotrophic plate counts before and after disinfection per room for five high-touch surfaces total

From: Evaluation of a pulsed-xenon ultraviolet room disinfection device for impact on contamination levels of methicillin-resistant Staphylococcus aureus

 

Colony count measures of central tendency and variability by room mean; median (IQR)

 
 

Before

After

Reduction

HPC

   

Manual arm

255.0; 278.0 (132-304)

60.4; 31.0 (15-70)

76.3%

PPX-UV arm

449.0; 364.5 (332-530)

8.4; 4.0 (1-10)

98.1%

 

Before

After

 

MRSA

   

Manual arm

127.3; 28.5 (8-143)

11.3; 1.0 (0-4)

91.1%

PPX-UV arm

108.2; 123.0 (14-183)

0.7; 0.0 (0-1)

99.4%

  1. HPC: Bacterial heterotrophic plate counts.
  2. MRSA: Methicillin-resistant Staphylococcus aureus.
  3. PPX-UV: Portable pulsed xenon ultraviolet.