Skip to main content

Table 1 Persistence of [Median Log10 CFU (Inter-Quartile range)] contaminating bacteria on PHMB-treated or untreated (control) gloves under increasing contact time and soil challenge, n = 10

From: Effect of poly-hexamethylene biguanide hydrochloride (PHMB) treated non-sterile medical gloves upon the transmission of Streptococcus pyogenes, carbapenem-resistant E. coli, MRSA and Klebsiella pneumoniae from contact surfaces

  S. pyogenes Carbapenem-resistant E. coli MRSA K. pneumoniae
Contact time (min.) Un-treated (control) glove PHMB-treated glove Un-treated (control) glove PHMB-treated glove Un-treated (control) glove PHMB-treated glove Un-treated (control) glove PHMB-treated glove
0.25 4.52 (4.49–4.59) 4.41 (4.35–4.53) 4.26 (4.19–4.33) 4.31 (4.19–4.38) 4.49 (4.34–4.56) 4.33 (4.26–4.58) 4.71 (4.55–4.80) 4.65 (4.53–4.77)
1 4.35 (4.21–4.490) 1.95 (1.84–2.12) 4.66 (4.61–4.68) 2.29 (2.14–2.38) 4.47 (4.34–4.58) 3.49 (3.45–3.57) 4.46 (4.30–4.65) 3.43 (3.26–3.52)
10 3.83 (3.79–3.90) <0.301 4.33 (4.21–4.35) <0.301 4.51 (4.38–4.62) <0.301 4.71 (4.55–4.77) 1.84 (1.73–1.99)
15 2.00 (2.00–2.00) <0.301 4.28 (4.03–4.36) <0.301 4.45 (4.34–4.55) <0.301 4.46 (4.37–4.58) 1.80 (1.38–1.97)
0.25 4.42 (4.33–4.51) 4.44 (4.28–4.58) 4.31 (4.19–4.44) 4.42 (4.29–4.51) 4.37 (4.29–4.58) 4.47 (4.33–4.54) 4.65 (4.58–4.79) 4.65 (4.48–4.76)
1 4.61 (4.49–4.72) 3.98 (3.81–4.07) 4.72 (4.58–4.75) 3.46 (3.37–3.60) 4.54 (4.41–4.69) 3.61 (3.36–3.65) 4.68 (4.48–4.80) 3.47 (3.33–3.57)
10 4.80 (4.67–4.84) 2.41 (2.29–2.45) 4.30 (4.22–4.350 3.23 (3.05–3.30) 4.39 (4.25–4.60) 1.86 (1.76–2.03) 4.56 (4.49–4.63) 2.06 (1.95–2.10)
15 4.70 (4.54–4.77) 1.76 (1.57–2.04) 4.35 (4.24–4.45) 2.46 (2.33–2.56) 4.53 (4.49–4.67) 2.11 (1.92–2.19) 4.58 (4.60–4.70) 1.84 (1.56–1.89)
0.25 4.52 (4.43–4.60) 4.57 (4.48–4.62) 4.39 (4.31–4.42) 4.38 (4.25–4.46) 4.49 (4.35–4.60) 4.65 (4.46–4.69) 4.67 (4.56–4.78) 4.74 (4.58–4.81)
1 4.58 (4.49–4.71) 3.97 (3.85–4.08) 4.69 (4.65–4.72) 3.87 (3.82–3.93) 4.58 (4.46–4.67) 3.60 (3.53–3.64) 4.75 (3.26–3.52) 3.64 (3.53–3.73)
10 4.63 (4.56–4.69) 3.89 (3.70–3.95) 4.29 (4.11–4.42) 3.29 (3.19–3.32) 4.58 (4.45–4.66) 3.42 (3.32–3.47) 4.64 (4.54–4.70) 3.46 (3.25–3.54)
15 4.74 (4.69–4.82) 3.87 (3.80–3.93) 4.26 (4.18–4.35) 3.16 (2.33–2.56) 4.49 (4.45–4.58) 3.44 (3.25–3.55) 4.67 (4.60–4.71) 3.26 (3.10–3.32)
  1. Note: Numbers below the detection limit (2 CFU) are expressed as <0.301 Log10 numbers