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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

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

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 > 6.45a (4.97-TK) < 0.0001b TK (4.29-TK) < 0.0001b 0.49
Disinfection cap TK (TK-TK) TK (TK-TK) 0.75
3 2% (w/v) CHG in 70% (v/v) IPA wipe 4.66 (4.34–4.95) < 0.0001b 4.77 (4.39–5.68) < 0.0001b 0.98
Disinfection cap TK (TK-TK) TK (TK-TK) 0.057
7 2% (w/v) CHG in 70% (v/v) IPA wipe TK (TK-TK) < 0.0001b TK (5.20-TK) < 0.0001b 0.15
Disinfection cap TK (TK-TK) TK (TK-TK) 1.00
  1. athe median was half-way between the values of 6.45 and total kill (TK)
  2. bThe reductions were greater for the disinfection cap