Table 1.

Median, lower, and higher values of the bacterial load detected in each hospital setting.

Setting	Timing of Sampling	n (Samles)	Median	Lower	Higher	IQR
Patient rooms	Before C&D	25	43	0	180	93
	After SOP	25	2	0	50	7
	After SOP + Pulsed-UVC	25	0	0	3	1
ICU	Before C&D	10	23	1	50	45
	After SOP	10	1	0	14	2
	After SOP + Pulsed-UVC	10	0	0	1	0
OT low turnover	Before C&D	60	1	0	100	4
	After SOP	80	1	0	100	6
	After SOP + Pulsed-UVC	30	0	0	1	0
OT high turnover	Before C&D	40	7	0	38	25
	After SOP	10	0	0	3	1
	After Pulsed-UVC	20	0	0	4	0

Note: ICU—Intensive Care Unit; OT—Operative Theatre; C&D—Cleaning and Disinfection; SOP—Standard Operative Procedure; IQR—Interquartile Range.