Prospective surveillance of healthcare-associated infections and patterns of antimicrobial resistance of pathogens in an Italian intensive care unit

Table 1 Incidence of device-associated infections (DAIs) by site, 2013–2016

Year	VAP				CLABSI				CAUTI
Year	n.	MVdays	Rate^a	DUR^b	n.	CLdays	Rate^a	DUR^b	n.	UCdays	Rate^a	DUR^b
2013	12	502	23.9	0.32	14	1241	11.2	0.81	0	1224	0^c	0.80
2014	24	897	26.7	0.34	15	2255	6.6	0.86	2	2258	0.9	0.86
2015	10	915	10.9	0.40	10	1535	6.5	0.67	6	1560	3.8	0.68
2016	10	826	12.1	0.40	12	1528	7.8	0.75	3	1528	1.9	0.75
TOTAL	56	3140	73.6	1.46	51	6559	32.1	3.09	11	6570	6.6	3.09

NOTE. VAP ventilator-associated pneumonia, CLABSI central line-associated bloodstream infection, CAUTI catheter-associated urinary tract infection, MV mechanical ventilator , DUR device utilization ratio, CL central line, UC urinary catheter
^a \( \mathrm{Device}-\mathrm{associated}\ \mathrm{infection}\ \mathrm{rate}=\frac{\mathrm{Number}\ \mathrm{of}\ \mathrm{device}-\mathrm{associated}\ \mathrm{infection}\mathrm{s}\ \mathrm{for}\ \mathrm{an}\ \mathrm{infection}\ \mathrm{site}}{\mathrm{Number}\ \mathrm{of}\ \mathrm{device}-\mathrm{days}}\mathrm{x}\ 1000 \)
^b \( \mathrm{Device}\ \mathrm{utilization}\ \mathrm{ratio}\ \left(\mathrm{DUR}\right)=\frac{\mathrm{Number}\ \mathrm{of}\ \mathrm{device}-\mathrm{days}}{\mathrm{Number}\ \mathrm{of}\ \mathrm{patient}-\mathrm{days}} \)
^cThe rate was not calculated since the number of CAUTI in 2013 was 0

ISSN: 2047-2994