Table 4.

Comparison of the effects of different disinfectants and methods.

Disinfectant and disinfection method	Colony count 1 min after disinfection (CFU/cm2)	PA detection*
75% Ethanol
Rinsing method	<0.1	–
Soaking method	<0.1	–
Slow-release soaking method	<0.1	–
Chlorine-containing disinfectant
Rinsing method	0.2	+
Soaking method	<0.1	–
Slow-release soaking method	0.2	–
0.5% Benzalkonium Chloride
Rinsing method	0.6	+
Soaking method	5	–
Slow-release soaking method	0.6	–

*: + Positive for PA, - Negative for PA.