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Table 3 Reduction in colony-forming units (CFU) from the environment

From: Clinical and microbiological effect of pulsed xenon ultraviolet disinfection to reduce multidrug-resistant organisms in the intensive care unit in a Japanese hospital: a before-after study

 Before Cleaning (A)After Cleaning (B)After PX-UV (C)
Total CFU3336679280
Median (IQR)10 (2–30)0 (0–2)0 (0–1)
A vs B* (p-value)79.6% (p < 0.0001)
A vs C* (p-value)91.6% (p < 0.0001)
B vs C* (p-value)58.7% (p = 0.0213)
  1. NOTE: IQR Inter-quartile range, PX-UV pulsed xenon ultraviolet
  2. *Bonferroni correction used to adjust for multiple comparisons