Table 1.

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

	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%

HPC: Bacterial heterotrophic plate counts.

MRSA: Methicillin-resistant Staphylococcus aureus.

PPX-UV: Portable pulsed xenon ultraviolet.