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% |