Using vaporized hydrogen peroxide for anhydrous disinfection of gastrointestinal endoscopes

Table 3 Numbers of colonies counted from each sampling location of the disposable endoscopes before and after disinfection via vaporized hydrogen peroxide

No.	Number of colonies (CFU/item)
	Biopsy channel		Biopsy valve		Endoscope surface		Suction channel
	BD	AD	BD	AD	BD	AD	BD	AD
1	10	0	0	0	10	0	19	0
2	40	0	0	0	0	0	24	0
3	140	0	38	0	7	0	6	0
4	30	0	12	0	11	0	0	0
5	10	0	12	0	0	0	0	0
6	20	0	0	0	0	0	0	0
7	10	0	0	0	0	0	0	0
8	100	0	18	0	42	0	102	0
9	20	0	25	0	0	0	58	0
10	80	0	12	0	18	0	7	0

CFU: Colony-forming unit; BD: Before disinfection; AD: After disinfection.