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Table 1 Geometric mean (GM) of colony counts per sample area

From: Impact of pulsed xenon ultraviolet disinfection on surface contamination in a hospital facility’s expressed human milk feed preparation area

Area Control PX-UVD
  PreClean GMa PostClean GMa ∆ GMb Risk Ratio 95% CI c p-value PreClean GMa PostClean GMa ∆ GMb Risk Ratio 95% CI c p-value
PreWashBottle 0.37 0.04 0.33 0.09 0.01, 0.61 0.0143 0.05 0.02 0.03 0.33 0.05, 2.13 0.2395
PostWashBottle 0.58 1.68 1.10 2.89 0.44, 18.85 0.2646 0.07 0.01 0.07 0.10 0.02, 0.68 0.0188
EHMprep 0.65 0.78 0.13 1.19 0.18, 7.77 0.8533 0.09 0.02 0.07 0.23 0.03, 1.47 0.1187
FridgeDoorHandle 1.23 1.15 0.08 0.93 0.14, 6.09 0.9432 0.14 0.04 0.10 0.28 0.04, 1.83 0.1820
Maternity 0.81 0.18 0.63 0.22 0.03, 1.44 0.1138 0.16 0.01 0.15 0.03 0.00, 0.19 0.0003
Pediatric 0.45 0.12 0.33 0.27 0.04, 1.78 0.1727 0.02 0.01 0.01 0.69 0.11, 4.49 0.6948
  1. ageometric mean (GM), bdifference in geometric mean (∆ GM), c Confidence Interval (CI)
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BMC Infectious Diseases

ISSN: 1471-2334

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