Table 4.

Efficacy of a clear skin antiseptic on the forehead applied for 2 min

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 clear skin antiseptic A (2 min exposure)	p-value
A (n = 20)	10 min/2 min	3.97 ± 0.47	2.08 ± 0.86	3.05 ± 0.40	0.001
	30 min		2.36 ± 0.63	3.05 ± 0.49	< 0.001
B (n = 20)	10 min/2 min	3.37 ± 0.62	2.03 ± 1.30	2.08 ± 0.88	0.55
	30 min		2.53 ± 1.07	2.13 ± 1.00	< 0.1
All (n = 40)	10 min	n.a.	2.05 ± 1.08	2.57 ± 0.84	0.002
	30 min		2.44 ± 0.87	2.59 ± 0.91	0.17