Table 10 Comparison of the characteristics of aHP, H2O2 vapour, UV-C and PX-UV devices
| Â | aHP | H2O2 vapour | UV-C | PX-UV |
|---|---|---|---|---|
In vitro efficacy | Viruses: 2.5-log Bacteria: >1 - >6-log Spores 4.9-log Fungi: – | Viruses: >4-log Bacteria: >5 - >6-log Spores > 6-log Fungi: – | Viruses: – Bacteria: >3.9 - >8-log Spores 2.5-log Fungi: >5-log | Viruses: – Bacteria: >2.7 - >5-log Spores 1.8-log Fungi: 1-log |
In situ efficacy | Reduction of environmental and clinical outcomes | Reduction of environmental and clinical outcomes | Reduction of environmental and clinical outcomes | Reduction of environmental and clinical outcomes |
Homogeneity of disinfection | Not homogenous, unidirectional | Homogenous | Not homogenous under suboptimal circumstances | Not homogenous under suboptimal circumstances |
Prior preparations in patient room | Cleaning, turning off smoke alarms | Cleaning, sealing doors/vents, turning off smoke alarms | Cleaning, removing curtains | Cleaning, removing curtains |
Duration disinfection | 2–3 h | 1.5–2 h | Moving robot: 10–20 min Stationary robot: 50 min | 12–20 min |
Required equipment | Device + disinfecting substance | Device + disinfecting substance | Device only | Device only |
Compatibility materials | Not extensively investigated | Compatible with most materials | Might damage polymers | Not extensively investigated |