TABLE 2.

Environment sampling results

Area	Surface typea	Sampling site	Sampling no.	No. positive	% Positive
Patient care area
Bed surroundings	Noninstrument	Bedrails	257	12	4.7
Bed surroundings	Noninstrument	Hanging towers	257	5	2.0
Bed surroundings	Noninstrument	Light switches	257	2	0.8
Bed surroundings	Noninstrument	Bed air pumps	255	4	1.6
Bed surroundings	Noninstrument	Lockers	255	5	2.0
Bed surroundings	Noninstrument	Stethoscopes	253	6	2.4
Bed surroundings	Instrument	Cardiovascular monitors	257	4	1.6
Bed surroundings	Instrument	Air-purifying disinfectors	249	3	1.2
Bed surroundings	Instrument	Infusion pumps	248	9	3.6
Bed surroundings	Instrument	Ventilators	239	6	2.5
Bed surroundings	Instrument	Nurse carts	234	6	2.6
Bed surroundings	Instrument	Nebulizers	203	5	2.5
Patient rooms		Computer mouse/keyboards	150	0	0.0
Patient rooms		Drinking water dispenser buttons	130	0	0.0
Patient rooms	Sink	Sink top surface	82	1	1.2
Patient rooms	Sink	Faucets	82	1	1.2
Patient rooms	Sink	Internal surfaces	82	3	3.7
Patient rooms	Sink	Drains	82	1	1.2
Corridor	Instrument	Vibration sputum ejection machines	10	0	0.0
Corridor	Instrument	Emergency rescue carts	6	0	0.0
Corridor	Instrument	Noninvasive ventilators	6	2	33.3
Corridor	Instrument	Steppers	4	0	0.0
Corridor	Instrument	Nurse carts	3	1	33.3
Corridor	Instrument	Walk helpers	3	0	0.0
Outside patient area
Nurse station	Sink	Sink top surface	3	0	0.0
Nurse station	Sink	Faucets	3	0	0.0
Nurse station	Sink	Internal surfaces	3	0	0.0
Nurse station	Sink	Drains	3	0	0.0
Nurse station		Computer mouse/keyboards	9	0	0.0
Nurse station		Telephones	6	0	0.0
Nurse station		Barcode scanners/printers	5	0	0.0
Nurse station		Medical record holder	3	0	0.0
Nurse station		Wireless interphones	3	0	0.0
Treatment room		Apparatus storage cabinets	25	0	0.0
Treatment room		Liquid storage cabinets	5	0	0.0
Treatment room		Refrigerator doorknobs	4	0	0.0
Treatment room		Light switches	3	0	0.0
Bronchoscope room		Bronchoscopes	5	0	0.0
Bronchoscope room		Drying tabletop	3	0	0.0
Bronchoscope room		Bronchoscope cabinet doorknob	3	0	0.0
Bronchoscope room		Bronchoscope cabinet internal wall	3	0	0.0
Bronchoscope room		Washing machine buttons	3	0	0.0
Bronchoscope room		Internal of washing tanks	3	0	0.0
Cleaner room		Cleaner vehicle body	3	0	0.0
Cleaner room		Cleaner vehicle cap	3	0	0.0
Cleaner room		Cleaner vehicle hand shank	3	0	0.0
Cleaner room		Mop handles	3	0	0.0
Meeting room		Computer mouse/keyboards	7	0	0.0
Meeting room		Drinking water dispenser buttons	3	0	0.0
Staff toilets		Doorknobs	6	0	0.0
Total			76	3,699	2.1

^aInstrument and noninstrument surfaces are assigned to surface types in the patient care area.