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Table 4 Mean bacterial growth

From: The effect of preheated versus room-temperature skin disinfection on bacterial colonization during pacemaker device implantation: a randomized controlled non-inferiority trial

  Mean cfu/mL
Skin disinfection (Chlorhexine 5 mg/mL in 70 % ethanol) All Men Women
  36 °C 20 °C 36 °C 20 °C 36 °C 20 °C
  n = 106 n = 112 n = 62 n = 62 n = 44 n = 50
Before skin disinfection 2388 2687 3516 3734 825 1389
After skin disinfection 298 199 500 277 5 85
After incision (wound) 347 383 592 576 1 144
Before wound closure (wound) 973 1004 1570 1615 131 258
  1. No statistically significant differences between preheated and room-temperature skin disinfectant within study groups at any time point evaluated for all patients as well as for men and women separately. Mann Whitney U test used as statistical method. Cultures showed that male had significantly more bacteria at all four time-points than females irrespectively of temperature. Mann Whitney U test used as statistical method
  2. Bacterial growth, represented as mean cfu/mL, observed in cultures from patients who received preheated skin disinfectant compared with room-temperature skin disinfectant at the four perioperative time-points. Data were combined for the overall group and for males and females separately