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Table 3 Efficacy of a coloured skin antiseptic on the forehead applied for 2.5 min

From: Efficacy of two ethanol-based skin antiseptics on the forehead at shorter application times

Study facility and number of subjects Sampling time after beginning of application Mean pre-value of bacterial density RF (mean and stdev) of reference treatment (10 min exposure) RF (mean and stdev) of coloured skin antiseptic B (2.5 min exposure) p-value
A (n = 20) 10 min/2.5 min 3.79 ± 0.54 2.50 ± 0.70 3.25 ± 0.50 < 0.001
  30 min   2.59 ± 0.69 2.96 ± 0.57 0.006
B (n = 20) 10 min/2.5 min 3.36 ± 0.81 1.94 ± 0.59 2.45 ± 0.81 0.007
  30 min   1.86 ± 0.74 2.43 ± 1.08 0.01
C (n = 20) 10 min/2.5 min 4.72 ± 0.60 1.26 ± 0.78 1.21 ± 0.64 0.60
  30 min   1.93 ± 1.18 2.09 ± 1.44 0.83
All (n = 60) 10 min/2.5 min n.a. 1.90 ± 0.85 2.30 ± 1.07 < 0.001
  30 min   2.13 ± 0.94 2.49 ± 1.13 0.002