An in vitro comparison of standard cleaning to a continuous passive disinfection cap for the decontamination of needle-free connectors

Table 1 Median (95%CI) log₁₀ reductions of CFU of Staphylococcus aureus on two types of needle-free connectors injection ports after 1, 3 and 7 days following two decontamination methods

Day	Decontamination method	Connector studied: MicroClave®	Comparison of wipe vs disinfection cap (P value)	Connector studied: CareSite®	Comparison of wipe vs disinfection cap (P value)	Comparison of MicroClave® vs CareSite® (P value)
1	2% (w/v) CHG in 70% (v/v) IPA wipe	> 6.45^a (4.97-TK)	< 0.0001^b	TK (4.29-TK)	< 0.0001^b	0.49
1	Disinfection cap	TK (TK-TK)	< 0.0001^b	TK (TK-TK)	< 0.0001^b	0.75
3	2% (w/v) CHG in 70% (v/v) IPA wipe	4.66 (4.34–4.95)	< 0.0001^b	4.77 (4.39–5.68)	< 0.0001^b	0.98
3	Disinfection cap	TK (TK-TK)	< 0.0001^b	TK (TK-TK)	< 0.0001^b	0.057
7	2% (w/v) CHG in 70% (v/v) IPA wipe	TK (TK-TK)	< 0.0001^b	TK (5.20-TK)	< 0.0001^b	0.15
7	Disinfection cap	TK (TK-TK)	< 0.0001^b	TK (TK-TK)	< 0.0001^b	1.00

ISSN: 2047-2994